What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Win32/TrojanDownloader.Elenoocka.A detection name usually means that your system is in big danger. This malware can correctly be named as ransomware – virus which ciphers your files and asks you to pay for their decryption. Removing it requires some peculiar steps that must be taken as soon as possible.
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Win32/TrojanDownloader.Elenoocka.A detection is a virus detection you can spectate in your system. It usually shows up after the provoking activities on your computer – opening the suspicious e-mail, clicking the banner 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 destructive action. And be sure – it is better not to await these destructive effects.

What is Win32/TrojanDownloader.Elenoocka.A virus?

Win32/TrojanDownloader.Elenoocka.A is ransomware-type malware. It searches for the files 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 additionally does a lot of harm to your system. It changes the networking setups in order to stop you from looking for the elimination tutorials or downloading the antivirus. In some cases, Win32/TrojanDownloader.Elenoocka.A can even prevent the setup of anti-malware programs.

Win32/TrojanDownloader.Elenoocka.A Summary

In total, Win32/TrojanDownloader.Elenoocka.A virus actions in the infected system are next:

  • CAPE extracted potentially suspicious content;
  • The binary contains an unknown PE section name indicative of packing;
  • Executable file is packed/obfuscated with ASPack;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Encrypting the documents kept on the victim’s drive — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a major problem for the last 4 years. It is hard to imagine a more hazardous virus for both individuals and companies. The algorithms utilized in Win32/TrojanDownloader.Elenoocka.A (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these terrible things without delay – it can take up to several hours to cipher all of your documents. Hence, seeing the Win32/TrojanDownloader.Elenoocka.A detection is a clear signal that you need to start the removal process.

Where did I get the Win32/TrojanDownloader.Elenoocka.A?

Ordinary methods of Win32/TrojanDownloader.Elenoocka.A distribution are standard for all other ransomware variants. Those are one-day landing sites where users are offered to download and install the free software, so-called bait e-mails and hacktools. Bait e-mails are a relatively new tactic in malware spreading – you receive the email that mimics some regular notifications about deliveries 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 page.

Malicious email spam

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

Preventing it looks pretty easy, but still demands a lot of focus. Malware can hide in various spots, and it is much better to stop it even before it gets into your system than to rely on an anti-malware program. General cybersecurity knowledge is just an important item in the modern-day world, even if your relationship 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 fix guide.

Win32/TrojanDownloader.Elenoocka.A malware technical details

File Info:

name: F49F82D3BA4DA0B7785D.mlw
path: /opt/CAPEv2/storage/binaries/72253970ebcd1e1cd5c45b4f988313e21093081100962bf9e5daf38087b1872f
crc32: 738D19EF
md5: f49f82d3ba4da0b7785d48580fd887c4
sha1: 05c4e788e1cb9df34c653082a855f4fe9f3b7ebc
sha256: 72253970ebcd1e1cd5c45b4f988313e21093081100962bf9e5daf38087b1872f
sha512: 868a7cd397ae3029a11677bec98208f389700a982a2c696c6abb9a7528cc60fbc6a70c28229ff36eff34ddfb08ac91db059381063a0407bc2ba601b663a147ce
ssdeep: 1536:I+Kf/JQBLGxPP1v0OJUxzTdBtFHyZHVXhXd3nxU0LbZgSC9bCAGO0v:I+Kf/JQBLGxPP1v0OJUxzTdBLyZHVRXz
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B473B5FBE06C0691CE1D8CF259A418331BFA6DB5A62D7F94ECB4EE711DBB0428D24941
sha3_384: b893990b7a94e891fa8064c44a273e6c7dba715c373974e962e29624cbd5761e7566d02983de4f444d1be0b36e923918
ep_bytes: 5589e58d65c86a0e6857524000684852
timestamp: 2006-10-05 20:21:48

Version Info:

0: [No Data]

Win32/TrojanDownloader.Elenoocka.A also known as:

Elasticmalicious (high confidence)
K7AntiVirusTrojan-Downloader ( 00499db21 )
K7GWTrojan-Downloader ( 00499db21 )
CynetMalicious (score: 100)
AvastWin32:Crypt-RSD [Trj]
EmsisoftTrojan.Ransom.Dalexis.F (B)
MAXmalware (ai score=83)
RisingTrojan.Win32.CTB.d (CLASSIC)
SentinelOneStatic AI – Malicious PE
AVGWin32:Crypt-RSD [Trj]
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Win32/TrojanDownloader.Elenoocka.A?

Win32/TrojanDownloader.Elenoocka.A malware is extremely hard to delete by hand. It places its data in several places throughout the disk, and can restore itself from one of the parts. Moreover, countless modifications in the registry, networking setups and also Group Policies are quite hard to find and return to the original. It is far better to utilize a special app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the best for malware elimination purposes.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its databases updated practically every hour. In addition, it does not have such problems and exploits as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware perfect for eliminating 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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