What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom.BlackCat detection usually means that your system is in big danger. This computer virus can correctly be identified as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Removing it requires some peculiar steps that must be done as soon as possible.
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Ransom.BlackCat detection is a virus detection you can spectate in your computer. It frequently shows up after the provoking procedures on your PC – opening the suspicious e-mail, clicking the banner in the Web or setting up the program from suspicious sources. From the second it appears, you have a short time to do something about it until it starts its malicious action. And be sure – it is far better not to await these destructive effects.

What is Ransom.BlackCat virus?

Ransom.BlackCat 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 documents inaccessible, this malware also does a ton of harm to your system. It alters the networking settings in order to avoid you from checking out the removal guidelines or downloading the anti-malware program. In some cases, Ransom.BlackCat can additionally prevent the launching of anti-malware programs.

Ransom.BlackCat Summary

Summarizingly, Ransom.BlackCat virus activities in the infected computer are next:

  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • CAPE detected the BlackCat malware family;
  • Anomalous binary characteristics;
  • Ciphering the documents located on the victim’s disk — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of security tools

Ransomware has actually been a horror story for the last 4 years. It is challenging to picture a more harmful virus for both individuals and companies. The algorithms used in Ransom.BlackCat (usually, 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 already exists, and possibly will exist. But that malware does not do all these unpleasant things immediately – it may require up to several hours to cipher all of your documents. Hence, seeing the Ransom.BlackCat detection is a clear signal that you have to start the elimination process.

Where did I get the Ransom.BlackCat?

Usual tactics of Ransom.BlackCat injection are typical for all other ransomware variants. Those are one-day landing web pages where victims are offered to download the free software, so-called bait e-mails and hacktools. Bait emails are a quite modern strategy in malware distribution – you receive the e-mail that mimics some routine notifications about shipments or bank service conditions shifts. Within the e-mail, there is a malicious MS Office file, or a web link which leads to the exploit landing site.

Malicious email spam

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

Preventing it looks pretty uncomplicated, however, still requires tons of awareness. Malware can hide in various places, and it is better to stop it even before it goes into your system than to depend on an anti-malware program. Essential cybersecurity knowledge is just an important thing in the modern world, even if your relationship with a PC stays on YouTube videos. That can save you a lot of money and time which you would certainly spend while searching for a fixing guide.

Ransom.BlackCat malware technical details

File Info:

name: 8BF2F18A0C8167724CD2.mlw
path: /opt/CAPEv2/storage/binaries/e55cc3426298f9f848849304d10b9222925eb19caebaebaa44dfb85ad2346062
crc32: C517CCB1
md5: 8bf2f18a0c8167724cd22bd5afe9d4f5
sha1: dae8d9ca517d169a0290047b56e76fa2fdf3ceb2
sha256: e55cc3426298f9f848849304d10b9222925eb19caebaebaa44dfb85ad2346062
sha512: 78132c1bf57e8b002e62912e81567d7dc814bec96888b0768f9ef97be456821956a558b8a515e94fe51d3b4c0c48cb2cd74f1303d787ebeb49e2a06206555e94
ssdeep: 49152:fQMejJ/oFaOKIV+Wv40nM338KVKKPgTxDeL+k2GNjqPwnyeuJ0+ckk+S7:Al/VOKIVvLM33tQKPgw9jqYnyec0+c
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T1D4E5AF95FB83E2ADEDAB1470305EB33ADE344C1801199FA3DBE45D71B92EB111E4861E
sha3_384: e1097d694556a6eb7bd937efe83edfce90bb893d87d1a262fb255afc5eca1fda352831cecfdf5b7a678bcf3619e2f919
ep_bytes: c70508e26d0000000000e9a1fcffff90
timestamp: 2022-05-17 18:30:07

Version Info:

0: [No Data]

Ransom.BlackCat also known as:

K7AntiVirusTrojan ( 0058e0151 )
K7GWTrojan ( 0058e0151 )
SymantecTrojan Horse
ESET-NOD32a variant of Win32/Filecoder.BlackCat.A
CynetMalicious (score: 99)
AvastWin32:RansomX-gen [Ransom]
EmsisoftGen:Variant.Fragtor.80966 (B)
MAXmalware (ai score=100)
RisingRansom.BlackCat!1.DB0B (CLASSIC)
AVGWin32:RansomX-gen [Ransom]
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Ransom.BlackCat?

Ransom.BlackCat malware is extremely hard to delete manually. It stores its files in numerous places throughout the disk, and can restore itself from one of the elements. Furthermore, a range of alterations in the windows registry, networking setups and also Group Policies are quite hard to identify and return 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 malware elimination goals.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated nearly every hour. In addition, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for clearing away malware of any type.

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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