What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

Spectating the TrojanDropper:Win32/Agent.FU 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 forces you to pay for their decryption. Stopping it requires some peculiar steps that must be taken as soon as possible.

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TrojanDropper:Win32/Agent.FU detection is a malware detection you can spectate in your system. It usually appears after the preliminary procedures on your PC – opening the dubious e-mail messages, clicking the advertisement in the Internet or installing the program from dubious resources. From the second it appears, you have a short time to do something about it until it begins its malicious activity. And be sure – it is better not to await these destructive things.

What is TrojanDropper:Win32/Agent.FU virus?

TrojanDropper:Win32/Agent.FU is ransomware-type malware. It searches for the documents on your disks, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this virus additionally does a lot of damage to your system. It alters the networking settings in order to prevent you from reading the removal manuals or downloading the antivirus. Sometimes, TrojanDropper:Win32/Agent.FU can even prevent the launching of anti-malware programs.

TrojanDropper:Win32/Agent.FU Summary

In summary, TrojanDropper:Win32/Agent.FU ransomware activities in the infected computer are next:

  • Sample contains Overlay data;
  • Reads data out of its own binary image;
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Uses Windows utilities to create a scheduled task;
  • Deletes executed files from disk;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Encrypting the files kept on the target’s disk drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has actually been a horror story for the last 4 years. It is hard to realize a more hazardous malware for both individual users and corporations. The algorithms used in TrojanDropper:Win32/Agent.FU (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 currently exists, and possibly will exist. But that virus does not do all these unpleasant things immediately – it can take up to several hours to cipher all of your documents. Therefore, seeing the TrojanDropper:Win32/Agent.FU detection is a clear signal that you have to begin the elimination process.

Where did I get the TrojanDropper:Win32/Agent.FU?

Ordinary ways of TrojanDropper:Win32/Agent.FU spreading are usual for all other ransomware variants. Those are one-day landing web pages where users are offered to download the free app, so-called bait e-mails and hacktools. Bait e-mails are a relatively new strategy in malware spreading – you receive the e-mail that simulates some standard notifications about shippings or bank service conditions shifts. Inside of the email, there is a malicious 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 simple, however, still needs tons of awareness. Malware can hide in different places, and it is better to stop it even before it gets into your PC than to rely on an anti-malware program. Basic cybersecurity awareness is just an important thing in the modern-day world, even if your relationship with a PC remains on YouTube videos. That may keep you a lot of time and money which you would certainly spend while trying to find a solution.

TrojanDropper:Win32/Agent.FU malware technical details

File Info:

name: AC75DA8DC5CBBA8B2F55.mlw
path: /opt/CAPEv2/storage/binaries/88830a9a6dcbc290ddc4eab3af61f25fc2e7b646d141ac6c66cd05716c4082f4
crc32: E598A368
md5: ac75da8dc5cbba8b2f55546189127191
sha1: 056a0bd7b5902255e4d184091b92373c742f9f18
sha256: 88830a9a6dcbc290ddc4eab3af61f25fc2e7b646d141ac6c66cd05716c4082f4
sha512: 0e2b7387aa33ac796d4556c01a374717d669d93271d8f3658e6bec44380909c71c25bec182d5d869c44a8c0c3bfa9671ae8506a881f727826300497bec55f5a5
ssdeep: 768:zelSPuf4MeQoCvylZEsG/R+aqwZBQVEZWqZ+Hruw31HLOuQ83zYa:zaSWf1eQ/1JRpBjNEHLOa
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A3036D8E564179ABC26E0930795C3F7B16BD4470189D206BF76389C67CA92EED22CF07
sha3_384: 68631cf7533744993a1f4871a73d8766823431ca3a941ba4edaf0f108c70ee0d7e76d53a51bc078b80bdf58dd263c701
ep_bytes: 5657bf0401000057ff15c84040008bf0
timestamp: 2010-06-05 11:41:44

Version Info:

0: [No Data]

TrojanDropper:Win32/Agent.FU also known as:

Elasticmalicious (high confidence)
CrowdStrikewin/malicious_confidence_100% (W)
K7GWPassword-Stealer ( 0055e3dc1 )
K7AntiVirusPassword-Stealer ( 0055e3dc1 )
ESET-NOD32a variant of Win32/PSW.OnLineGames.PBB
CynetMalicious (score: 100)
AvastWin32:Agent-AKBH [Trj]
EmsisoftTrojan.Ransom.Cerber.1 (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=83)
RisingStealer.OnlineGames!1.6611 (CLASSIC)
AVGWin32:Agent-AKBH [Trj]

How to remove TrojanDropper:Win32/Agent.FU?

TrojanDropper:Win32/Agent.FU malware is very difficult to erase by hand. It places its data in a variety of locations throughout the disk, and can get back itself from one of the parts. In addition, countless changes in the registry, networking settings and also Group Policies are really hard to discover and change to the initial. It is better to use a special program – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the best for malware removal purposes.

Why GridinSoft Anti-Malware? It is really light-weight and has its detection databases updated practically every hour. Furthermore, it does not have such bugs and exposures as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware perfect 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.
  • TrojanDropper:Win32/Agent.FU in 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.
  • TrojanDropper:Win32/Agent.FU in the 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.
  • [SHORT_NAME] - 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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