What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the W32.Zombie.A4 detection means that your system is in big danger. This computer virus can correctly be identified as ransomware – sort of malware which ciphers your files and forces you to pay for their decryption. Deleteing it requires some unusual steps that must be taken as soon as possible.
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W32.Zombie.A4 detection is a virus detection you can spectate in your system. It usually appears after the preliminary activities on your computer – opening the dubious e-mail, clicking the advertisement in the Internet or setting up the program from suspicious resources. From the moment it appears, you have a short time to take action before it begins its destructive action. And be sure – it is far better not to await these harmful effects.

What is W32.Zombie.A4 virus?

W32.Zombie.A4 is ransomware-type malware. It searches for the files on your computer, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus additionally does a lot of damage to your system. It alters the networking setups in order to prevent you from looking for the removal guides or downloading the antivirus. In some cases, W32.Zombie.A4 can additionally stop the launching of anti-malware programs.

W32.Zombie.A4 Summary

Summarizingly, W32.Zombie.A4 virus activities in the infected system are next:

  • Anomalous file deletion behavior detected (10+);
  • Reads data out of its own binary image;
  • Manipulates data from or to the Recycle Bin;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Authenticode signature is invalid;
  • Exhibits possible ransomware file modification behavior;
  • Encrypting the documents located on the target’s drives — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of security tools

Ransomware has been a major problem for the last 4 years. It is hard to realize a more dangerous malware for both individuals and corporations. The algorithms utilized in W32.Zombie.A4 (generally, 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. However, that malware does not do all these horrible things without delay – it may require up to several hours to cipher all of your documents. Thus, seeing the W32.Zombie.A4 detection is a clear signal that you need to start the clearing procedure.

Where did I get the W32.Zombie.A4?

Routine ways of W32.Zombie.A4 injection are standard for all other ransomware variants. Those are one-day landing websites where victims are offered to download and install the free app, so-called bait e-mails and hacktools. Bait e-mails are a relatively modern strategy in malware spreading – you receive the e-mail that simulates some normal notifications about shippings or bank service conditions modifications. Inside of the email, there is a malicious MS Office file, or a 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 uncomplicated, but still requires a lot of focus. Malware can hide in different places, and it is better to prevent it even before it goes into your system than to rely on an anti-malware program. Essential cybersecurity knowledge is just an essential item 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 trying to find a solution.

W32.Zombie.A4 malware technical details

File Info:

name: F114229B33A5E1A32701.mlw
path: /opt/CAPEv2/storage/binaries/b1572fab219ab390ffe58c126eb81410e2ad05e5660d09a4098825c10b9dff60
crc32: 87DF01D9
md5: f114229b33a5e1a327011afca9dcd398
sha1: 27a05120427e1cb821b14c186c4fe7647664d759
sha256: b1572fab219ab390ffe58c126eb81410e2ad05e5660d09a4098825c10b9dff60
sha512: f5977e4b01074ffd03acab13e63d331322461516bdf4c65b1573fdcd88eeb43021c617f8757cde508b7f7401f5e8700cdc52f0392224fff3284023be730f2c71
ssdeep: 768:W7BlphA7pARFbhOm0CAbLgBVnSrlb561RFDvTQbzjrY/+TQbzjrY/M:W7ZhA7pApH1BkrH61fDt
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1D4332B0ACE015C5BEA0B2A72DD9F3A69D275A0CC776D8CF7BB61C8D45DD13C2AA18053
sha3_384: 3c699de98d4e070f3653e1af7562b347660eb8baf3956ce32de87aebb40a53ea32dfb925adc32b2f8fbcc7de479dfef6
ep_bytes: 558bec6aff684031400068b022400064
timestamp: 2011-03-15 04:06:07

Version Info:

0: [No Data]

W32.Zombie.A4 also known as:

Elasticmalicious (high confidence)
CrowdStrikewin/malicious_confidence_60% (D)
K7GWTrojan ( 0055e3dd1 )
AvastWin32:RansomX-gen [Ransom]
CynetMalicious (score: 100)
AVGWin32:RansomX-gen [Ransom]

How to remove W32.Zombie.A4?

W32.Zombie.A4 malware is very difficult to erase manually. It puts its documents in a variety of locations throughout the disk, and can restore itself from one of the parts. In addition, countless changes in the windows registry, networking settings and Group Policies are quite hard to locate and revert to the initial. It is far better to use a specific tool – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for malware elimination goals.

Why GridinSoft Anti-Malware? It is really light-weight and has its detection databases updated practically every hour. Additionally, it does not have such problems and exploits as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware perfect for clearing away 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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