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CoinMiners Use New Tricks To Impersonate Adobe Flash Installers (bleepingcomputer.com)

An anonymous reader quotes a report from Bleeping Computer: Cryptocurrency miners are now being distributed by a new campaign pretending to be Adobe Flash Player installers. While this is not new, this particular campaign is going the extra mile to appear legitimate by not only installing a miner, but also updating Flash Player as well. In a new malware campaign discovered by Palo Alto Unit 42 researcher Brad Duncan, it was found that a fake Flash Player Trojan not only installed a XMRig miner, but it also automatically updated his installed Flash Player. This real Flash installer was downloaded by the Trojan from Adobe's site.

By actually performing an upgrade of the desired program, it makes the user less suspicious and adds further legitimacy that the Trojan was a real Adobe installer for Adobe Flash Player. While Flash Player is now updated, what the victim does not know is that a coinminer was silently installed on the computer and started. Once started, this sample would connect to a mining pool at xmr-eu1.nanopool.org and begin to use almost 100% of the computer's CPU in order mine the Monero digital cryptocurrency.

47 comments

  1. Desperation by r1348 · · Score: 4, Funny

    You know you're desperate when you disguise yourself as Flash.

    1. Re:Desperation by Anonymous Coward · · Score: 0

      How is this evil though? Maybe it's just doing the user's end-bidding (installing the Flash Player) at the cost of mining on their machine? This seems like a perfectly acceptable tradeoff if the user consents.

    2. Re:Desperation by Anonymous Coward · · Score: 0

      Which is not far off from disguising themselves as a Java update.
      Millions and millions of devices run java (slowly) after all.

    3. Re:Desperation by r1348 · · Score: 1

      If you think that Flash has a better reputation than your software, what you're doing is not a tradeoff, it's a race to the bottom.

  2. No Risk by Anonymous Coward · · Score: 0

    Cryptocurrency miners are now being distributed by a new campaign pretending to be Adobe Flash Player installers.

    So, no danger to /. users or other tech-heads then.

  3. What is the bigger piece of malware by DarkRookie2 · · Score: 2

    Would it be the miner
    ...Or it could be the Flash Player.

    --
    http://progressquest.com/spoltog.php?name=Son+Of+Son+Of+DarkRookie
    1. Re:What is the bigger piece of malware by nnet · · Score: 1
      Yes.

      GENERATION 2711

    2. Re:What is the bigger piece of malware by Anonymous Coward · · Score: 0

      GENERATION 27111111111111111111111111111111111111111111111111111111111111{#`%${%&`+'${`%&NO CARRIER

    3. Re:What is the bigger piece of malware by roc97007 · · Score: 1

      > #`%${%&`+'${`%&NO CARRIER

      Wow, that's old school. But then again, so is Flash.

      --
      Oliver's law of assumed responsibility: If you're seen fixing it, you will be blamed for breaking it.
  4. Too funny. by cshark · · Score: 2

    I dare say, that's the nicest thing I've ever heard about a piece of malware doing in the wild.

    --

    This signature has Super Cow Powers

    1. Re:Too funny. by Anonymous Coward · · Score: 0

      It makes sense for malware to do stuff like that. Just like it makes sense for typo-squatters to forward the victim to the relevant webpage using the stolen password after it's been taken. No need to alert the mark that they've just been compromised.

    2. Re:Too funny. by CanadianMacFan · · Score: 2

      A nicer thing would have been to install the miner, say the computer was no longer able to run Flash and uninstall Flash for them.

    3. Re:Too funny. by bloodhawk · · Score: 1

      There is nothing nice about something that installs flash on your machine.

  5. Disagree by Anonymous Coward · · Score: 0

    I disagree,

    Having a miner on your machine is bad.

    Having flash on the machine? Maybe worse ! /sarc/

    1. Re:Disagree by Anonymous Coward · · Score: 0

      Good point. Flash is sort of a kind of malware by itself, isn't it.

    2. Re:Disagree by Anonymous Coward · · Score: 0

      And a miner written in flash, would be worst of all?

  6. Miner Miner Forty Niner by Anonymous Coward · · Score: 0

    The infected deserve it.
    1849. Live the dream. Again.
    Make 'murika Greedy Again.

  7. redundant by Anonymous Coward · · Score: 0

    If THAT were true, your post wouldn't exist. Be careful what you wish for.

  8. IDK, probably tired.. by Knightman · · Score: 1

    ..but I read 'Coal Miners Use New Tricks To Impersonate Adobe Flash Installers' and couldn't understand why there would be a need for a someone to be a dedicated adobe flash installer and why a coal miner would have the need to impersonate said person since there are probably more opportunities in the coal mining business...

    --
    --- Reality doesn't care about your opinions, it happens anyway and if you are in the way you'll get squished.
  9. Adobe Flash plugin update... by HouseOfMisterE · · Score: 2

    I've had two computers offer to update Adobe Flash over the past couple of weeks. Both had Firefox installed and I assumed that I had the Flash plugin installed and it needed updating (and maybe it did). I don't use Firefox on those computers anymore, so instead I uninstalled the Flash plugin and Firefox. Problem solved / catastrophe averted.

  10. APK & hosts to the rescue (again)... apk by Anonymous Coward · · Score: 0

    0.0.0.0 xmr-eu1.nanopool.org
    0.0.0.0 nanopool.org

    * Those 2 entries from the source article NULLIFY this threat from working @ all (even IF you stupidly were to 'suck it in', it can't work).

    As an aside: /. REALLY has been AVOIDING many articles like that one (gosh I wonder why - SJW & political BULLSHIT seems to take precedence here lately vs. TECH & SECURTY) but hosts when they ARE REPORTED ON? WORK (for more speed too, not just security vs. threats) - there have been TONS MORE LIKE THIS & they do NOT get reported here on /. to HELP YOU VS. THREATS (from /.'s USUAL sources like BleepingComputer etc.)

    APK

    P.S.=> "It's working: Neville... it's working!" See subject & results from the past month https://it.slashdot.org/commen... & https://it.slashdot.org/commen... + https://it.slashdot.org/commen... + https://it.slashdot.org/commen... https://it.slashdot.org/commen... that's only recently while I've been on Linux (few months now only) & 100's of times vs. MANY other botnets/malwares etc. in the past circa 2006-early 2018 while I was on Windows: CONCRETE VISIBLE UNDENIABLE REALITY (see those links as proof).

    1. Re:APK & hosts to the rescue (again)... apk by Anonymous Coward · · Score: 0

      I redirected nanopool org to 127.0.0.1 Now I have lots of cryptocoins - what to do?

  11. Adobe Flash is still a thing? by roc97007 · · Score: 1

    Wasn't Flash supposed to be gone in, like, 2005?

    --
    Oliver's law of assumed responsibility: If you're seen fixing it, you will be blamed for breaking it.
    1. Re:Adobe Flash is still a thing? by Anonymous Coward · · Score: 0

      Perhaps, but it got a real shot in the arm when YouTube came along.

    2. Re:Adobe Flash is still a thing? by roc97007 · · Score: 1

      ...but then we heard all about how html 5 was supposed to replace flash.

      --
      Oliver's law of assumed responsibility: If you're seen fixing it, you will be blamed for breaking it.
  12. For the BEST possible hosts file? apk by Anonymous Coward · · Score: 0

    See subject: Via APK Hosts File Engine 2.0++ 64-bit for Linux/BSD h t t p : / / a p k . i t - m a t e . c o . u k / A P K H o s t s F i l e E n g i n e F o r L i n u x . z i p

    Yields more security/speed/reliability/anonymity vs. any 1 solution (99% of threats use hostnames vs. IP address most firewalls use) more efficiently/FASTER + NATIVELY 4 less!

    Vs. "Bolt on 'MoAr' illogic-logic" slowing you hosts speed u up 2 ways: Adblocks + Hardcode fav. sites u spend most time @ vs. competition loaded w/ security bugs (DNS/AntiVir) + overheads slowing u (messagepass 'souled-out' to advertisers easily detected & blocked addons + firewall filtering drivers) & their complexity leads to exploitation!

    * ONLY 1 of its kind in GUI 4 Linux/BSD!

    (Better vs. Windows model in speed/efficiency/merge)

    APK

    P.S.=> Protects vs. script trackers/ads/DNS request tracking + redirect poisoned or downed DNS/botnets/malware downloads/malcript/email malicious payloads... apk

  13. Security pros QUOTED on hosts by Anonymous Coward · · Score: 0

    "classic Windows hosts trick to block the Coinhive or Crypto-Loot domains" - https://www.bleepingcomputer.com/news/security/a-new-player-joins-coinhive-on-the-browser-cryptojacking-scene/ - BLEEPING COMPUTER

    ZD NET http://www.zdnet.com/article/how-to-use-a-hosts-file-to-improve-your-internet-experience/ "Hosts files really shine by letting you block ads, spyware sites, malware sites, & tracking sites"

    SANS ("A related approach to the DNS issue is to create a hosts file on each system that sends requests for spyware to some place else" hosts by myself & RAMU right @ START of "malware explosion" mid 2005 on) https://isc.sans.edu/forums/di...

    Aryeh Goretsky/ESET/NOD32: hosts = good security http://it.slashdot.org/comments.pl?sid=7442373&cid=49747129/

    Oliver Day (SYMANTEC/SECURITYFOCUS) http://www.securityfocus.com/columnists/491/

    Spybot S&D uses hosts.

    APK

    P.S.=> Malwarebytes' hpHosts hosts & RECOMMENDS my program http://forum.hosts-file.net/vi...

  14. Registered /.ers reviews #1/6 by Anonymous Coward · · Score: 0

    Your software is just fine - well written, functional... I'm going to continue using the Host File Engine by mmell February 17, 2017

    Your premise that hostfiles are a good way to deal with advertising and malvertising is quite valid - by JazzLad April 20, 2016

    his hosts program is actually pretty good by xenotransplant August 10 2015

    his hosts tool is actually useful for those cases in which one does indeed want to locally block stuff outright while consuming minimum system resources by alexgieg September 25 2015

    I like your host file system by Karmashock September 09 2015

    that APK guy, I use his host file by rogoshen1 Tuesday March 03, 2015

    I personally use a HOSTS file blocker produced from a genius called APK by 110010001000 October 27 2017

    * For the Win32/64 model...

    APK

    P.S.=> Linux model's faster/more efficient/better MERGE feature too - More coming... apk

  15. Registered /.ers reviews #2/6 by Anonymous Coward · · Score: 0

    Apk has the answer for that - really... kill automatic updates by adding a hosts file entry setting updates.steam.com or whatever to 127.0.0.1. You have to find the right hostname for each software you want to block updates on by raymorris (2726007) on Friday July 06, 2018

    APK your posts on this and the hosts file posts, and more, have never been in error and/or bad advice by BlueStrat (756137) on Wednesday June 21, 2017

    I support APK's stand on the hosts file and can't see why it's not used more than it is. My hosts file is 144247 lines long (4,332 Kb) it & a firewall serves me very well - by Trax3001BBS (2368736)

    ABP is insufficient as a solid hosts file does everything APK reminds us about fast turtle September 17 2013

    You need APK's hosts file - by Teun (17872) on Wednesday August 06, 2014

    * For the Win32/64 model...

    APK

    P.S.=> Linux model's faster/more efficient + BETTER merge feature - More coming... apk

  16. Registered /.ers disagree w/ you #3/6 by Anonymous Coward · · Score: 0

    Actually, APK is totally right on this count. Adblock Plus on Firefox mobile is a dog on older, or lower end, phones. A hostfile based adblocker makes for a much better experience in this context. Of course, your phone has to be rooted, which isn't the case with Firefox + adblock." - by chihowa on Saturday May 16, 2015

    APK solution STILL relevant Thud457 June 11 2015

    In a footnote, I would like to note that I find your hosts file admirable - by vel-ex-tech (4337079) on Tuesday November 24, 2015

    APK's monolithic hosts file is looking pretty good at the moment - by Culture20 on Thursday November 17

    you're right about hosts files - by drinkypoo (153816) on Thursday May 26

    APK, I know people give you a lot of shit regarding hosts, but please don't ever stop - by nasredin (958927) on Friday June 12, 2015 @03:34PM

    * For the Win32/64 model...

    APK

    P.S.=> Linux model's faster/more efficient + BETTER merge feature - More coming... apk

  17. Registered /.ers reviews #4/6 by Anonymous Coward · · Score: 0

    APK is kinda right... I've given up on JS based adblocking and gone to blackholing in /etc/hosts, just like it was back in the 90s. The computational load has gotten intolerable for any ad-blocking using JS. I've tried his hosts file generating software. It works. - by bmo (77928) on Thursday October 15, 2015

    get around to 'installing' a hosts file list, not sure which one, likely the one from someonewhocares.org. If it works as well as what I used for a while about ten years ago, I'll be happy. And grateful to APK for the lesson and the reminder. - by kermidge (2221646) on Wednesday March 27

    I actually went and downloaded a 16k line hosts file and started using that after seeing that post, you know just for trying it out. some sites load up faster. - by gl4ss (559668) on Thursday November 17

    dammit MS, you proved APK right about something by lgw

    * For the Win32/64 model...

    APK

    P.S.=> Linux model's faster/more efficient + BETTER merge feature - More coming... apk

  18. Registered /.ers reviews #5/6 by Anonymous Coward · · Score: 0

    (APK) is still right a hosts file really does work. It even blocked a some of the video ads that were inserted into a stream OrangeTide February 10 2016

    the Host File Engine performs exactly as promised - by mmell (832646) on Thursday February 16, 2017

    I do use APK's host file on all my systems at home by OrangeTide December 01 2017

    I've never tried to belittle (APK's work), I've flat out said it's good - by BronsCon (927697) on Thursday February 11, 2016 @06:48PM (#51491263)

    * For the Win32/64 model...

    APK

    P.S.=> Linux model's faster/more efficient + BETTER merge feature - More coming... apk

  19. Registered /.ers reviews #6/6 by Anonymous Coward · · Score: 0

    I say the following as a caring human being who agrees with how useful HOSTS files are: Your zeal is to be respected - by dave420 (699308) on Monday September 08, 2014

    But I love APK!The power of the hostfile compels you! by ratboy666 (104074) on Friday January 29, 2016

    APK was right all along! C:\WINDOWS\HOSTS is the solution ;) - by sabri (584428) on Friday October 21, 2016

    No complaints from me, I like APK's spam. Reminds me to use a host file. Also, his stuff is free. - by aaaaaaargh! (1150173) on Tuesday November 17, 2015

    I'm a fan of apk. Yes he trolls, but he only trolls where it's contextually appropriate. I respect that - by Noah Haders (3621429) on Wednesday July 29, 2015

    (Toss on 100,000++ users worldwide too...)

    * For the Win32/64 model...

    APK

    P.S.=> Linux model's faster/more efficient + BETTER merge feature - More coming... apk

  20. Set the Priority to Low by Anonymous Coward · · Score: 0

    Did they at least set the priority to the lowest setting possible? Otherwise the user will notice and they or someone else will go looking for what's sucking up all the CPU. If they set the priority to the lowest possible or set the miner to use no more than 30% CPU, or maybe just half of the cores at 100%, it will allow them to fly under the radar longer.

  21. Is this news? by Darth+Technoid · · Score: 1

    I mean ... really!

  22. How do they know? by Trailer+Trash · · Score: 3, Funny

    "begin to use almost 100% of the computer's CPU"

    How is this different than just installing Flash?

    1. Re:How do they know? by thegarbz · · Score: 1

      How is this different than just installing Flash?

      Cryptomining is useful.

    2. Re:How do they know? by timholman · · Score: 1

      "begin to use almost 100% of the computer's CPU"

      How is this different than just installing Flash?

      That's what's so brilliant about it.

      No one can tell the difference.

      Next up: mining malware that installs a legitimate copy of McAfee antivirus on your computer.

    3. Re:How do they know? by Trailer+Trash · · Score: 1

      How is this different than just installing Flash?

      Cryptomining is useful.

      For the win!

    4. Re:How do they know? by Comrade+Ogilvy · · Score: 1

      Next up: mining malware that installs a legitimate copy of McAfee antivirus on your computer.

      That is funny but it is only barely a joke. I remember reading several years ago about a virus that was found to have its own anti-virus functionality -- presumably to improve/protect the performance of the infected machine so that it owner was less likely to have it wiped or tossed in the trash.