What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Win32/ReverseShell.F detection name means that your PC is in big danger. This malware can correctly be identified as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Removing it requires some unusual steps that must be done as soon as possible.
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Win32/ReverseShell.F detection is a malware detection you can spectate in your system. It often appears after the provoking procedures on your computer – opening the suspicious e-mail messages, clicking the banner in the Web or mounting the program from dubious sources. From the moment it shows up, you have a short time to act until it begins its destructive action. And be sure – it is far better not to await these harmful effects.

What is Win32/ReverseShell.F virus?

Win32/ReverseShell.F is ransomware-type malware. It looks for the files on your disk, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus additionally does a lot of harm to your system. It alters the networking settings in order to prevent you from looking for the removal guidelines or downloading the antivirus. Sometimes, Win32/ReverseShell.F can even stop the setup of anti-malware programs.

Win32/ReverseShell.F Summary

Summarizingly, Win32/ReverseShell.F virus actions in the infected system are next:

  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution;
  • Sample contains Overlay data;
  • Presents an Authenticode digital signature;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Ciphering the documents located on the victim’s disk — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-malware apps

Ransomware has actually been a major problem for the last 4 years. It is challenging to imagine a more hazardous malware for both individual users and organizations. The algorithms used in Win32/ReverseShell.F (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy already exists, and possibly will exist. However, that virus does not do all these terrible things instantly – it may take up to a few hours to cipher all of your files. Hence, seeing the Win32/ReverseShell.F detection is a clear signal that you have to start the elimination procedure.

Where did I get the Win32/ReverseShell.F?

Routine tactics of Win32/ReverseShell.F distribution are standard for all other ransomware examples. Those are one-day landing websites where users are offered to download the free program, so-called bait emails and hacktools. Bait emails are a pretty modern method in malware spreading – you get the e-mail that mimics some regular notifications about shipments or bank service conditions updates. Inside of the e-mail, there is a malicious MS Office file, or a web link which leads to the exploit landing site.

Malicious email spam

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

Avoiding it looks pretty easy, however, still requires tons of attention. Malware can hide in different places, and it is much better to stop it even before it goes into your computer than to depend on an anti-malware program. Standard cybersecurity knowledge is just an essential thing in the modern-day world, even if your relationship with a PC stays on YouTube videos. That may keep you a great deal of money and time which you would certainly spend while searching for a fix guide.

Win32/ReverseShell.F malware technical details

File Info:

name: ED4ADD846EF72BF356A6.mlw
path: /opt/CAPEv2/storage/binaries/23c9ae3e327b31a705456d4bbcf8f4ca14026c959398ef783c1ff06eca8d0c7c
crc32: 19C96D43
md5: ed4add846ef72bf356a6d26ecc63bca4
sha1: e295b28dbd5987e6b2bcb88f9ed44bad06dcc279
sha256: 23c9ae3e327b31a705456d4bbcf8f4ca14026c959398ef783c1ff06eca8d0c7c
sha512: b9cf13880093e99ceea44285e6334014b48bb7c3e851dbfaa14447975acba8a369e089e052019b9779fbbd8dbf26bcb56b004d3d5b01cdac039110d3de090828
ssdeep: 1536:2lRL21bovxiRkxwaL6mm4dn0YXzXZUmKbg4Ju0h0ywEaWisWecdPZR6eAQncuxzw:2qbqsRkxwC1n0YXzXemGVu0h0ywEMPZu
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T1FB936B47B5D1D432E9B2193254B4D9A19E3FF9210F61DE6B2784263E0F302C19E36E7A
sha3_384: 51a43224b3f2b00e40e2f2141a7cc0e1ce4bcfcf23fd71608543de73e7e4d8fe8235a34bdf5fa9986da2ac95be11f5fe
ep_bytes: e8c4030000e974feffff558bec6a00ff
timestamp: 2020-12-10 07:26:54

Version Info:

0: [No Data]

Win32/ReverseShell.F also known as:

K7AntiVirusRiskware ( 0040eff71 )
K7GWRiskware ( 0040eff71 )
CynetMalicious (score: 99)
EmsisoftGen:Variant.Jaik.81392 (B)
MAXmalware (ai score=81)

How to remove Win32/ReverseShell.F?

Win32/ReverseShell.F malware is extremely difficult to erase manually. It places its documents in multiple places throughout the disk, and can get back itself from one of the elements. In addition, numerous modifications in the registry, networking settings and also Group Policies are quite hard to find and change to the original. It is much better to make use of a special tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for virus removal purposes.

Why GridinSoft Anti-Malware? It is really lightweight and has its databases updated just about every hour. Moreover, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware perfect for removing malware of any type.

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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