What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Win32/KillMBR.NHF detection name usually means that your PC is in big danger. This computer virus can correctly be identified as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some peculiar steps that must be done as soon as possible.
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Win32/KillMBR.NHF detection is a malware detection you can spectate in your computer. It generally shows up after the preliminary activities on your PC – opening the untrustworthy e-mail, clicking the banner in the Internet or installing the program from suspicious sources. From the moment it shows up, you have a short time to act until it begins its harmful action. And be sure – it is much better not to wait for these harmful actions.

What is Win32/KillMBR.NHF virus?

Win32/KillMBR.NHF is ransomware-type malware. It searches for the files on your disk drive, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this virus also does a lot of damage to your system. It changes the networking settings in order to avoid you from reading the elimination guides or downloading the anti-malware program. Sometimes, Win32/KillMBR.NHF can also prevent the setup of anti-malware programs.

Win32/KillMBR.NHF Summary

Summarizingly, Win32/KillMBR.NHF malware actions in the infected system are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Attempted to write directly to a physical drive;
  • Encrypting the files located on the target’s disk drives — so the victim cannot use these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a horror story for the last 4 years. It is hard to picture a more harmful virus for both individual users and organizations. The algorithms used in Win32/KillMBR.NHF (typically, 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 malware does not do all these unpleasant things immediately – it may require up to a few hours to cipher all of your files. Thus, seeing the Win32/KillMBR.NHF detection is a clear signal that you must begin the elimination procedure.

Where did I get the Win32/KillMBR.NHF?

Common ways of Win32/KillMBR.NHF injection are usual for all other ransomware examples. Those are one-day landing web pages where victims are offered to download and install the free program, so-called bait e-mails and hacktools. Bait emails are a quite modern strategy in malware distribution – you receive the e-mail that simulates some routine notifications about shipments or bank service conditions shifts. Within the email, there is a malicious MS Office file, or a web link which opens the exploit landing site.

Malicious email spam

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

Avoiding it looks pretty easy, but still requires a lot of awareness. Malware can hide in different places, and it is far better to stop it even before it gets into your PC than to depend on an anti-malware program. General cybersecurity knowledge is just an important thing in the modern world, even if your interaction with a PC remains on YouTube videos. That may keep you a great deal of time and money which you would spend while seeking a solution.

Win32/KillMBR.NHF malware technical details

File Info:

name: D0229AE9723F0EBEB713.mlw
path: /opt/CAPEv2/storage/binaries/8d9832efbdddc5b06dcd178bcaf192c9961ce4bcf3b67a1676d0d1c3264b5cde
crc32: 5FFEB836
md5: d0229ae9723f0ebeb713ccd8754e6860
sha1: 1a461bab0feebb0a311402a02f410d313d40266a
sha256: 8d9832efbdddc5b06dcd178bcaf192c9961ce4bcf3b67a1676d0d1c3264b5cde
sha512: f3259b56b5125879b75713386d5976a2207557000425039f68f0e576fc2051d5aa3a8c9c9dc1b664cf6dc41d6d2ffc653e21eb905e1014099a1e76b67baa55c6
ssdeep: 6144:6hMhEpRZxNZSKGhvpZ9spPdQQzLtDEBnS6Y6ABLt/Df0SB2LaYIl+w:SSgZxNZvGhvpnAPdhZEwvbBRfxB2La
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T12F945C10BBA0C039F8B711F866AEA27CA51EBAF05B2861CB62D013DD97755E45C33397
sha3_384: 8ee7cca578e1768191bf628f143789575b493e289556338d1849bf60e28ed76722f689f9db1ac7110172acb1bfd471df
ep_bytes: e9e7230000e9221a0500e91df30400e9
timestamp: 2022-01-21 10:27:18

Version Info:

0: [No Data]

Win32/KillMBR.NHF also known as:

K7AntiVirusRiskware ( 00584baa1 )
K7GWRiskware ( 00584baa1 )
EmsisoftTrojan.GenericKD.38764890 (B)
CynetMalicious (score: 99)
MAXmalware (ai score=88)
RisingTrojan.Agent!8.B1E (CLOUD)
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Win32/KillMBR.NHF?

Win32/KillMBR.NHF malware is very difficult to remove by hand. It places its documents in a variety of locations throughout the disk, and can restore itself from one of the parts. In addition, countless modifications in the registry, networking settings and Group Policies are fairly hard to find and change to the original. It is much better to make use of a specific program – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for malware elimination purposes.

Why GridinSoft Anti-Malware? It is very lightweight and has its detection databases updated practically every hour. In addition, it does not have such bugs and exploits as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware perfect 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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