What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the MSIL/Qhost.CH detection means that your computer is in big danger. This malware can correctly be identified as ransomware – type of malware which ciphers your files and asks you to pay for their decryption. Removing it requires some peculiar steps that must be done as soon as possible.
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MSIL/Qhost.CH detection is a virus detection you can spectate in your computer. It frequently shows up after the preliminary activities on your PC – opening the suspicious e-mail, clicking the banner in the Web or installing the program from suspicious sources. From the second it shows up, you have a short time to act before it begins its harmful action. And be sure – it is far better not to await these malicious effects.

What is MSIL/Qhost.CH virus?

MSIL/Qhost.CH is ransomware-type malware. It searches for the files on your disk, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this malware additionally does a lot of damage to your system. It alters the networking setups in order to stop you from reading the removal guides or downloading the antivirus. Sometimes, MSIL/Qhost.CH can additionally prevent the setup of anti-malware programs.

MSIL/Qhost.CH Summary

In total, MSIL/Qhost.CH ransomware actions in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Creates RWX memory;
  • Guard pages use detected – possible anti-debugging.;
  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Ciphering the documents located on the victim’s disks — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of security tools

Ransomware has been a major problem for the last 4 years. It is hard to picture a more harmful virus for both individual users and companies. The algorithms used in MSIL/Qhost.CH (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy actually exists, and possibly will exist. However, that malware does not do all these bad things immediately – it may require up to a few hours to cipher all of your files. Hence, seeing the MSIL/Qhost.CH detection is a clear signal that you should start the elimination procedure.

Where did I get the MSIL/Qhost.CH?

Routine methods of MSIL/Qhost.CH spreading are standard for all other ransomware examples. Those are one-day landing sites where users are offered to download and install the free software, so-called bait emails and hacktools. Bait e-mails are a quite modern tactic in malware spreading – you get the email that imitates some standard notifications about deliveries or bank service conditions modifications. Inside of the e-mail, there is a corrupted MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Preventing it looks quite easy, however, still demands tons of awareness. Malware can hide in various spots, and it is better to prevent it even before it invades your system than to depend on an anti-malware program. Common cybersecurity awareness is just an important thing in the modern-day world, even if your interaction with a PC stays on YouTube videos. That can save you a lot of time and money which you would certainly spend while trying to find a fix guide.

MSIL/Qhost.CH malware technical details

File Info:

name: 0D0B1B94851AA3B292F7.mlw
path: /opt/CAPEv2/storage/binaries/8714ee73584c041e3fa80668814af1e3e04788d91cfc070f8329cf574920df9d
crc32: 24191F52
md5: 0d0b1b94851aa3b292f78d26600f6506
sha1: 87d1def9d4c2797f8396eec2bd149ff1921ed99e
sha256: 8714ee73584c041e3fa80668814af1e3e04788d91cfc070f8329cf574920df9d
sha512: ef849b400ef17125de4856b98037215ec6549e006eaf8f72639202008aed90c28a7606e0bd43dd53d9930325dc0ebbf01c31b765c94367bfa6b882913e8d0ba5
ssdeep: 49152:S51mV+lzCPo/J+IZOGjZF2FB48ba9ZFCdAF4uB48ba9ZFCdAF:U2FB48ba9ZIdAF4uB48ba9ZIdAF
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F2D5A3DC04059355D978CCB4B0FD8F84D9334BC2AAC584D6C1686C3C91A86EABD9DBEE
sha3_384: 83935065483c5ad6b30d2df52e5d7bb189b59a0af04de3652c6f5ece524accc7f5a04a26a96e422f81ff0d16009be2e4
ep_bytes: ff250020400000000000000000000000
timestamp: 2013-01-20 11:48:34

Version Info:

Translation: 0x0000 0x04b0
FileDescription: Facebook hack
InternalName: Facebook Hack 1.5.exe
LegalCopyright: Copyright © 2012
OriginalFilename: Facebook Hack 1.5.exe
ProductName: Facebook hack
Assembly Version:

MSIL/Qhost.CH also known as:

EmsisoftGen:Heur.MSIL.HackTool.15 (B)
MAXmalware (ai score=87)
CynetMalicious (score: 99)
RisingTrojan.Generic/MSIL@AI.100 (RDM.MSIL:5vS6DxNVAeBpxDtYchVaJw)
SentinelOneStatic AI – Suspicious PE

How to remove MSIL/Qhost.CH?

MSIL/Qhost.CH malware is incredibly hard to eliminate by hand. It puts its files in multiple places throughout the disk, and can get back itself from one of the parts. In addition, numerous changes in the windows registry, networking settings and also Group Policies are fairly hard to discover and revert to the original. It is better to use a special app – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for malware elimination reasons.

Why GridinSoft Anti-Malware? It is very light-weight and has its databases updated just about every hour. Moreover, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for getting rid of 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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