What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the MSIL/TrojanDownloader.Agent.LLX detection name usually means that your computer is in big danger. This malware can correctly be named as ransomware – virus which ciphers your files and forces you to pay for their decryption. Removing it requires some specific steps that must be done as soon as possible.
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MSIL/TrojanDownloader.Agent.LLX detection is a virus detection you can spectate in your system. It generally shows up after the provoking actions on your computer – opening the dubious e-mail, clicking the advertisement in the Web or mounting the program from dubious resources. From the moment it shows up, you have a short time to take action before it begins its harmful activity. And be sure – it is much better not to await these destructive things.

What is MSIL/TrojanDownloader.Agent.LLX virus?

MSIL/TrojanDownloader.Agent.LLX is ransomware-type malware. It looks for the documents on your disks, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this virus also does a lot of harm to your system. It modifies the networking setups in order to avoid you from reading the elimination manuals or downloading the antivirus. In rare cases, MSIL/TrojanDownloader.Agent.LLX can even prevent the launching of anti-malware programs.

MSIL/TrojanDownloader.Agent.LLX Summary

In summary, MSIL/TrojanDownloader.Agent.LLX malware activities in the infected system are next:

  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Ciphering the files located on the target’s disk — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-malware apps

Ransomware has been a headache for the last 4 years. It is challenging to realize a more hazardous malware for both individuals and companies. The algorithms utilized in MSIL/TrojanDownloader.Agent.LLX (usually, 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 actually exists, and possibly will exist. But that virus does not do all these terrible things instantly – it may require up to several hours to cipher all of your files. Hence, seeing the MSIL/TrojanDownloader.Agent.LLX detection is a clear signal that you should start the clearing procedure.

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

Standard tactics of MSIL/TrojanDownloader.Agent.LLX distribution are common for all other ransomware examples. Those are one-day landing sites where users are offered to download and install the free app, so-called bait e-mails and hacktools. Bait emails are a relatively modern tactic in malware spreading – you receive the email that imitates some regular notifications about shipments or bank service conditions changes. Inside of the e-mail, there is an infected 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 quite uncomplicated, however, still needs a lot of focus. Malware can hide in various places, and it is better to prevent it even before it goes into your PC than to depend on an anti-malware program. General cybersecurity awareness is just an essential item in the modern world, even if your interaction with a PC stays on YouTube videos. That may save you a lot of money and time which you would spend while looking for a solution.

MSIL/TrojanDownloader.Agent.LLX malware technical details

File Info:

name: CDC1206904F9E9D606DF.mlw
path: /opt/CAPEv2/storage/binaries/feaec317e247ef1089547d406c0624709b0610222c8c6d43bf5e848768712c99
crc32: 8E203E6D
md5: cdc1206904f9e9d606df78ba2317ccda
sha1: fbf2bf1f8a363ccd1f982f35033b26b0e5d02432
sha256: feaec317e247ef1089547d406c0624709b0610222c8c6d43bf5e848768712c99
sha512: 9a43ebc545a446f9ea62cd815a8d6dbc3f895ef63c4f6e57b11f72bf06e5dc0bd2ade0c857d3a96d73c1d78b9a72e95e8e85b3bfb2e4cd96bf61a31ce83fcdd9
ssdeep: 384:SdypAQdR8OOLalCmx/vZirffffffuJPG3YTel8:Sm+ITe
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B1720922532C9077D56A4A3704E353404773EB029436EA2EBD5C622EBFB3B1496D6B29
sha3_384: 8465406737534691842807fc8c870ef338ddeb9b0ee878ec2c699dbd2e77e7d7d001d1b023eb56707d0c591f01697398
ep_bytes: ff250020400000000000000000000000
timestamp: 2022-04-17 06:13:53

Version Info:

Translation: 0x0000 0x04b0
Comments: SysTools Hard Drive Data Recovery Setup
CompanyName: SysTools Software Pvt Ltd
FileDescription: SysTools Hard Drive Data Recovery Setup
InternalName: Qppnuhwr.exe
LegalCopyright: © 2022 SysTools Software Private Limited
OriginalFilename: Qppnuhwr.exe
ProductName: SysTools Hard Drive Data Recovery v18.0
Assembly Version:

MSIL/TrojanDownloader.Agent.LLX also known as:

K7AntiVirusTrojan-Downloader ( 00591c231 )
K7GWTrojan-Downloader ( 00591c231 )
Elasticmalicious (high confidence)
AvastWin32:PWSX-gen [Trj]
EmsisoftTrojan.GenericKD.50146480 (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=86)
CynetMalicious (score: 100)
AVGWin32:PWSX-gen [Trj]
CrowdStrikewin/malicious_confidence_90% (W)

How to remove MSIL/TrojanDownloader.Agent.LLX?

MSIL/TrojanDownloader.Agent.LLX malware is very difficult to delete by hand. It puts its data in numerous places throughout the disk, and can get back itself from one of the elements. Furthermore, a number of changes in the windows registry, networking settings and Group Policies are fairly hard to find and return to the initial. It is much better to use a specific tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for malware removal purposes.

Why GridinSoft Anti-Malware? It is pretty 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 aspects makes GridinSoft Anti-Malware ideal for removing 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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