What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the MSIL/TrojanDownloader.Agent.CQM detection name usually means that your computer is in big danger. This malware can correctly be named as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Deleteing it requires some specific steps that must be done as soon as possible.
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MSIL/TrojanDownloader.Agent.CQM detection is a malware 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 suspicious resources. From the second it appears, you have a short time to do something about it until it starts its destructive action. And be sure – it is much better not to wait for these malicious things.

What is MSIL/TrojanDownloader.Agent.CQM virus?

MSIL/TrojanDownloader.Agent.CQM is ransomware-type malware. It searches for the files on your computer, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your files locked, this malware also does a ton of damage to your system. It modifies the networking settings in order to prevent you from checking out the elimination tutorials or downloading the anti-malware program. In some cases, MSIL/TrojanDownloader.Agent.CQM can additionally prevent the launching of anti-malware programs.

MSIL/TrojanDownloader.Agent.CQM Summary

In summary, MSIL/TrojanDownloader.Agent.CQM malware activities 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;
  • Enumerates the modules from a process (may be used to locate base addresses in process injection);
  • CAPE extracted potentially suspicious content;
  • .NET file is packed/obfuscated with Confuser;
  • Authenticode signature is invalid;
  • Collects and encrypts information about the computer likely to send to C2 server;
  • Ciphering the files kept on the victim’s disk drives — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a major problem for the last 4 years. It is hard to picture a more hazardous virus for both individual users and organizations. The algorithms utilized in MSIL/TrojanDownloader.Agent.CQM (generally, 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 currently exists, and possibly will exist. But that malware does not do all these unpleasant things without delay – it may take up to several hours to cipher all of your documents. Hence, seeing the MSIL/TrojanDownloader.Agent.CQM detection is a clear signal that you need to start the removal procedure.

Where did I get the MSIL/TrojanDownloader.Agent.CQM?

Routine methods of MSIL/TrojanDownloader.Agent.CQM spreading are typical for all other ransomware variants. Those are one-day landing websites where users are offered to download and install the free software, so-called bait emails and hacktools. Bait emails are a pretty new strategy in malware distribution – you get the e-mail that imitates some regular notifications about shipments or bank service conditions modifications. Inside of the email, there is an infected MS Office file, or a web link which leads to the exploit landing page.

Malicious email spam

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

Preventing it looks pretty easy, but still needs a lot of focus. Malware can hide in different spots, and it is better to prevent it even before it goes into your system than to rely on an anti-malware program. Essential cybersecurity awareness is just an important thing in the modern world, even if your relationship with a computer remains on YouTube videos. That may keep you a great deal of money and time which you would spend while searching for a fixing guide.

MSIL/TrojanDownloader.Agent.CQM malware technical details

File Info:

name: 8D2535916F0B35B4D954.mlw
path: /opt/CAPEv2/storage/binaries/a0b286890c0b5a43834f7690384644ac743a1facde72093b2a942b6de27b76bb
crc32: 1217B2D2
md5: 8d2535916f0b35b4d954f69ac438b623
sha1: 35c87d0685f27d13b8020942b5fd9e82cb9d5d89
sha256: a0b286890c0b5a43834f7690384644ac743a1facde72093b2a942b6de27b76bb
sha512: 619193d3cb0f6976d45886665ede0bda5a3d8f363e286eb0971f8a928058119fd9de360bd3a00c88f7546735ce0120fad44af70e170f740a21e4882620048104
ssdeep: 3072:DlDWy3K69TgfujjBg4zdvk7LVgBG4b8+b9i9xVKFHjuz:NWy3KETgWjVlk7LVgBG2N94w
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T18944968AB901A93FC4D5C17264E16CD5D9D4AC944A075A7EB283F53CE638CF3EB19232
sha3_384: f371df016f36bb35a1a2c3227ae1af11fe9265118f38a8a9b23de4b59d2f8ecdbc1a9965a8670c406c27a3cc3d05cc94
ep_bytes: ff250020400000000000000000000000
timestamp: 2016-11-21 15:54:26

Version Info:

Translation: 0x0000 0x04b0
Comments: Microsoft View Available Networks
CompanyName: ©Microsoft Corporation.6.3.68234
FileDescription: Microsoft Corporation
FileVersion: 56.45.5669.5492
InternalName: dllhost.exe
LegalCopyright: © Microsoft Corporation. All rights reserved
LegalTrademarks: Microsoft® Windows® Operating System
OriginalFilename: dllhost.exe
ProductName: OperatingSystem.dll
ProductVersion: 56.45.5669.5492
Assembly Version: 5.5.6085.6062

MSIL/TrojanDownloader.Agent.CQM also known as:

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 700000121 )
K7GWTrojan ( 700000121 )
CrowdStrikewin/malicious_confidence_100% (W)
ESET-NOD32a variant of MSIL/TrojanDownloader.Agent.CQM
EmsisoftGen:Variant.Strictor.117802 (B)
CynetMalicious (score: 99)
MAXmalware (ai score=81)
RisingMalware.Obfus/MSIL@AI.100 (RDM.MSIL:WJRkuUyGJHQ0wR48jytATQ)
SentinelOneStatic AI – Malicious PE

How to remove MSIL/TrojanDownloader.Agent.CQM?

MSIL/TrojanDownloader.Agent.CQM malware is very hard to delete manually. It puts its files in numerous places throughout the disk, and can get back itself from one of the parts. Additionally, numerous modifications in the windows registry, networking configurations and also Group Policies are really hard to discover and revert to the initial. It is far better to utilize a special tool – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for virus elimination reasons.

Why GridinSoft Anti-Malware? It is very lightweight and has its detection databases updated nearly every hour. Additionally, it does not have such problems and weakness as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for removing malware of any kind.

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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