What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the MSIL/TrojanDownloader.Agent.GIW detection name means that your system is in big danger. This computer virus can correctly be named as ransomware – sort of malware which ciphers your files and forces you to pay for their decryption. Removing it requires some peculiar steps that must be taken as soon as possible.
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MSIL/TrojanDownloader.Agent.GIW detection is a virus detection you can spectate in your system. It frequently shows up after the provoking activities on your PC – opening the suspicious e-mail messages, clicking the banner in the Web or mounting the program from unreliable sources. From the instance it appears, you have a short time to act until it starts its destructive activity. And be sure – it is better not to wait for these harmful actions.

What is MSIL/TrojanDownloader.Agent.GIW virus?

MSIL/TrojanDownloader.Agent.GIW is ransomware-type malware. It searches for the files on your disk drives, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this virus also does a ton of damage to your system. It alters the networking settings in order to stop you from checking out the removal guidelines or downloading the anti-malware program. In some cases, MSIL/TrojanDownloader.Agent.GIW can even block the launching of anti-malware programs.

MSIL/TrojanDownloader.Agent.GIW Summary

In total, MSIL/TrojanDownloader.Agent.GIW malware actions in the infected system are next:

  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Binary compilation timestomping detected;
  • Encrypting the files kept on the target’s drives — so the victim cannot open these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware apps

Ransomware has actually been a horror story for the last 4 years. It is hard to picture a more dangerous virus for both individual users and organizations. The algorithms used in MSIL/TrojanDownloader.Agent.GIW (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy actually exists, and possibly will exist. However, that virus does not do all these terrible things immediately – it may require up to several hours to cipher all of your documents. Thus, seeing the MSIL/TrojanDownloader.Agent.GIW detection is a clear signal that you need to begin the elimination procedure.

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

General methods of MSIL/TrojanDownloader.Agent.GIW spreading are standard for all other ransomware variants. Those are one-day landing sites where users are offered to download the free app, so-called bait emails and hacktools. Bait emails are a pretty new strategy in malware distribution – you get the email that mimics some routine notifications about shipments or bank service conditions modifications. Within 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.

Avoiding it looks fairly easy, however, still demands a lot of attention. Malware can hide in different places, and it is better to prevent it even before it gets into your PC than to depend on an anti-malware program. Common cybersecurity knowledge is just an important item in the modern-day world, even if your relationship with a computer remains on YouTube videos. That can save you a great deal of time and money which you would certainly spend while seeking a fixing guide.

MSIL/TrojanDownloader.Agent.GIW malware technical details

File Info:

name: 23CF6B8C120839A0752E.mlw
path: /opt/CAPEv2/storage/binaries/b65af70e0c5512eaa1decdf36e5a5734bc239ef57476519c90559457474c2375
crc32: 604743E8
md5: 23cf6b8c120839a0752ecd60bcaf244b
sha1: 18a863511d01d430e38b5162c51c7d4494b9df8b
sha256: b65af70e0c5512eaa1decdf36e5a5734bc239ef57476519c90559457474c2375
sha512: 90439b92ed145223b5a90d8d7f466b2772950123c62a340fcf25f94e2a033d1d4ae306aa6cd390d881e7b79da818bbce8ec487435eef9914b4bec374cdef6b36
ssdeep: 384:0gLsTbpZ9bysdO6XvKNlrNptYcFwVc03K:0gUbzTZCNlr/tYcFwVc6K
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T150622F0662C80125F6F35E742A7C9264CF2BB6969835CE7E382C55C9DB23760CBD6B70
sha3_384: d9f590d5d9c351153f4cbf2113c685cd4da04d812e8c3af22bbe7efa3284166898274616a338ff1c8c83a9b909d7cb08
ep_bytes: ff250020400000000000000000000000
timestamp: 2079-09-21 22:43:13

Version Info:

Translation: 0x0000 0x04b0
FileDescription: Your First Pasted Spoofer
InternalName: Your First Pasted Spoofer.exe
LegalCopyright: Copyright © 2020
OriginalFilename: Your First Pasted Spoofer.exe
ProductName: Your First Pasted Spoofer
Assembly Version:

MSIL/TrojanDownloader.Agent.GIW also known as:

Elasticmalicious (high confidence)
K7AntiVirusTrojan-Downloader ( 0056a5f71 )
K7GWTrojan-Downloader ( 0056a5f71 )
ESET-NOD32a variant of MSIL/TrojanDownloader.Agent.GIW
AvastWin32:PWSX-gen [Trj]
EmsisoftGen:Variant.Ursu.773125 (B)
MAXmalware (ai score=85)
CynetMalicious (score: 99)
SentinelOneStatic AI – Malicious PE
AVGWin32:PWSX-gen [Trj]

How to remove MSIL/TrojanDownloader.Agent.GIW?

MSIL/TrojanDownloader.Agent.GIW malware is incredibly hard to remove manually. It puts its documents in numerous places throughout the disk, and can restore itself from one of the elements. Moreover, various modifications in the registry, networking settings and also Group Policies are fairly hard to identify and revert to the initial. It is better to utilize a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus elimination purposes.

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