What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Win64/Filecoder.BA detection means that your PC is in big danger. This virus can correctly be identified as ransomware – virus which encrypts 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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Win64/Filecoder.BA detection is a malware detection you can spectate in your computer. It usually shows up after the provoking actions on your PC – opening the suspicious e-mail messages, clicking the banner in the Internet or installing the program from suspicious sources. From the second it shows up, you have a short time to act until it starts its destructive activity. And be sure – it is better not to await these malicious effects.

What is Win64/Filecoder.BA virus?

Win64/Filecoder.BA is ransomware-type malware. It searches for the documents on your disk drives, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus also does a ton of harm to your system. It alters the networking setups in order to stop you from reading the removal tutorials or downloading the antivirus. In some cases, Win64/Filecoder.BA can even prevent the setup of anti-malware programs.

Win64/Filecoder.BA Summary

Summarizingly, Win64/Filecoder.BA virus activities in the infected system are next:

  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Ciphering the files kept on the victim’s disk drives — 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 programs

Ransomware has been a nightmare for the last 4 years. It is challenging to realize a more dangerous virus for both individuals and companies. The algorithms utilized in Win64/Filecoder.BA (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 currently exists, and possibly will exist. However, that virus does not do all these bad things without delay – it can take up to several hours to cipher all of your documents. Thus, seeing the Win64/Filecoder.BA detection is a clear signal that you must start the clearing process.

Where did I get the Win64/Filecoder.BA?

Ordinary tactics of Win64/Filecoder.BA distribution are common for all other ransomware variants. Those are one-day landing sites where victims are offered to download and install the free app, so-called bait e-mails and hacktools. Bait emails are a quite modern tactic in malware distribution – you get the email that imitates some routine notifications about shippings or bank service conditions changes. Inside of the email, there is a corrupted MS Office file, or a web link which opens the exploit landing site.

Malicious email spam

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

Avoiding it looks quite easy, however, still needs a lot of recognition. Malware can hide in various spots, and it is much better to stop it even before it goes into your system than to trust in an anti-malware program. Basic cybersecurity awareness is just an essential thing in the modern world, even if your interaction with a PC stays on YouTube videos. That can keep you a great deal of money and time which you would certainly spend while looking for a fixing guide.

Win64/Filecoder.BA malware technical details

File Info:

name: C99BABFA4C229807118A.mlw
path: /opt/CAPEv2/storage/binaries/4091bed4ab832e97a152e6620184ec862bbba002442ee3e7679721f7625583ab
crc32: EAF9332F
md5: c99babfa4c229807118aaaddb121fa3d
sha1: 53da4fc222cbffd30016f0fa52406631ff23c46f
sha256: 4091bed4ab832e97a152e6620184ec862bbba002442ee3e7679721f7625583ab
sha512: 75d763fbd34b4bd576bbfc05796ba120d0d2c91db094c11660db0a8d8df698b15facb5de535a2f21e4458479612d7ceed1fc64ba06153bc5b5d4c3ecf7a1f790
ssdeep: 49152:H3sy3ZeQCIc1q62EyAlvE9Sgm/7FWCzeHtuY/zwRtbrqtR30QfROv0Gx4Bg2Gr+U:H3saXG1q64CzwuXtn8yT+H3XXrAj5HG
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T13A462840F9DB84F5EA0314314467E2BF27307D098B24DBC7EA947F6AE877A920D36619
sha3_384: 8aa9166c7923425842199802e04f84c6d0ec2dd5daba96ed59d3c417608a4742b7333c90f02b7994ce7145fa6ee95d7d
ep_bytes: e95bddffffcccccccccccccccccccccc
timestamp: 1970-01-01 00:00:00

Version Info:

0: [No Data]

Win64/Filecoder.BA also known as:

Elasticmalicious (high confidence)
ESET-NOD32a variant of Win64/Filecoder.BA
AvastWin32:Evo-gen [Trj]
EmsisoftGeneric.Ransom.Snatch.D17E29F1 (B)
MAXmalware (ai score=80)
VBA32suspected of Trojan.Downloader.gen
RisingTrojan.Generic@AI.100 (RDML:84E6Tyxd9gc5FyQ8RfXtkw)
AVGWin32:Evo-gen [Trj]
CrowdStrikewin/malicious_confidence_70% (D)

How to remove Win64/Filecoder.BA?

Win64/Filecoder.BA malware is very hard to remove manually. It places its data in a variety of places throughout the disk, and can get back itself from one of the elements. Furthermore, a number of alterations in the windows registry, networking setups and also Group Policies are fairly hard to discover and change to the original. It is better to utilize a special program – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for malware removal purposes.

Why GridinSoft Anti-Malware? It is very light-weight and has its detection databases updated almost every hour. Moreover, it does not have such problems and exploits as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for eliminating 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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