What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the TrojanSpy:MSIL/Reven.A!bit malware detection usually means that your computer is in big danger. This malware can correctly be identified as ransomware – sort of malware which ciphers your files and forces you to pay for their decryption. Stopping it requires some unusual steps that must be taken as soon as possible.
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TrojanSpy:MSIL/Reven.A!bit detection is a virus detection you can spectate in your computer. It frequently appears after the preliminary procedures on your PC – opening the suspicious email, clicking the banner in the Internet or setting up the program from untrustworthy sources. From the moment it shows up, you have a short time to act before it starts its malicious action. And be sure – it is much better not to wait for these harmful effects.

What is TrojanSpy:MSIL/Reven.A!bit virus?

TrojanSpy:MSIL/Reven.A!bit is ransomware-type malware. It looks for the documents on your disk drives, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this malware also does a lot of harm to your system. It alters the networking settings in order to prevent you from reading the elimination guides or downloading the antivirus. In some cases, TrojanSpy:MSIL/Reven.A!bit can even block the launching of anti-malware programs.

TrojanSpy:MSIL/Reven.A!bit Summary

Summarizingly, TrojanSpy:MSIL/Reven.A!bit virus actions in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Creates RWX memory;
  • Guard pages use detected – possible anti-debugging.;
  • Dynamic (imported) function loading detected;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Collects and encrypts information about the computer likely to send to C2 server;
  • Installs itself for autorun at Windows startup;
  • Attempts to modify Explorer settings to prevent file extensions from being displayed;
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Ciphering the documents located on the target’s drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a nightmare for the last 4 years. It is difficult to picture a more harmful virus for both individual users and companies. The algorithms used in TrojanSpy:MSIL/Reven.A!bit (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy already exists, and possibly will exist. However, that virus does not do all these unpleasant things without delay – it can take up to several hours to cipher all of your files. Thus, seeing the TrojanSpy:MSIL/Reven.A!bit detection is a clear signal that you should begin the clearing process.

Where did I get the TrojanSpy:MSIL/Reven.A!bit?

Common methods of TrojanSpy:MSIL/Reven.A!bit injection are typical for all other ransomware variants. Those are one-day landing web pages where victims are offered to download and install the free software, so-called bait emails and hacktools. Bait e-mails are a relatively new tactic in malware spreading – you receive the email that mimics some regular notifications about shipments or bank service conditions shifts. Within the e-mail, there is an infected MS Office file, or a web link which opens the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks fairly uncomplicated, however, still demands tons of recognition. Malware can hide in various places, and it is better to stop it even before it gets into your system than to rely on an anti-malware program. Common cybersecurity awareness is just an important item in the modern world, even if your interaction with a computer remains on YouTube videos. That may save you a lot of time and money which you would certainly spend while trying to find a solution.

TrojanSpy:MSIL/Reven.A!bit malware technical details

File Info:

name: 3E11F32C22D8BA53C6BD.mlw
path: /opt/CAPEv2/storage/binaries/6638dcd9832d3680543ecae57ac96194531ece60e796bac508cdca4d0d11665d
crc32: 5D7F2A28
md5: 3e11f32c22d8ba53c6bd7d4ad398298a
sha1: 3d37d7e62ad35238ac0008e81d1be3805b0094c0
sha256: 6638dcd9832d3680543ecae57ac96194531ece60e796bac508cdca4d0d11665d
sha512: 35ede0f7dd901f2166ebddf6afac941b48598cf785f5b6cb067a42caa69c1db7811b6e5f35cdfb64b4fc373402c3af28bddd167b3dbf20a52bd1a2d01f08cd1d
ssdeep: 98304:fv7z8WqQoa9jAAgB2UdIIBBdyDNAXx3JTpn4G5jkgzqRbUzvPMkslBdrwVtJH:fvf8WL9jyB2UdIIBBdyDNAXx3JTp/5Nm
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F0E55A04EE8B44F5FEA74970868AFBBF4A319F018430CDF2DA54FD49F933A52111A669
sha3_384: 2f284f9b05a25341d2722a508c6d03401efed6c89cbb16b9c848afe0a52e27cfd692b434c4cd63c387463a3a124d1487
ep_bytes: ff2500204000000000000000f03f0000
timestamp: 2016-11-06 19:50:04

Version Info:

Translation: 0x0000 0x04b0
Comments: Usermode Font Driver Host
CompanyName: Microsoft Corporation
FileDescription: Font Driver Host
FileVersion: 10.0.10586.420
InternalName: TeamRevenge-1.exe
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFilename: TeamRevenge-1.exe
ProductName: Microsoft© Windows© Operating System
ProductVersion: 10.0.10586.420
Assembly Version: 10.0.10586.420

TrojanSpy:MSIL/Reven.A!bit also known as:

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 700000121 )
K7GWTrojan ( 700000121 )
SophosMal/Generic-R + Mal/MSIL-AW
EmsisoftMalware.Generic.CN1 (A)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=80)
CynetMalicious (score: 99)
AVGWin32:TrojanX-gen [Trj]
AvastWin32:TrojanX-gen [Trj]
CrowdStrikewin/malicious_confidence_100% (D)

How to remove TrojanSpy:MSIL/Reven.A!bit?

TrojanSpy:MSIL/Reven.A!bit malware is very difficult to remove manually. It places its documents in numerous locations throughout the disk, and can restore itself from one of the parts. Additionally, countless changes in the registry, networking setups and also Group Policies are fairly hard to identify and return to the original. It is better to utilize a specific tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the best for virus elimination purposes.

Why GridinSoft Anti-Malware? It is really light-weight and has its databases updated practically every hour. Furthermore, it does not have such bugs and exposures as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for taking out malware of any form.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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