What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Ransom:Win32/Basta.C malware detection usually means that your system is in big danger. This malware can correctly be identified as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Stopping it requires some unusual steps that must be taken as soon as possible.
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Ransom:Win32/Basta.C detection is a virus detection you can spectate in your computer. It often shows up after the preliminary actions on your PC – opening the untrustworthy email, clicking the banner in the Web or setting up the program from suspicious resources. From the second it shows up, you have a short time to take action until it begins its destructive activity. And be sure – it is better not to await these malicious things.

What is Ransom:Win32/Basta.C virus?

Ransom:Win32/Basta.C is ransomware-type malware. It searches for the documents on your disk, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this virus additionally does a lot of damage to your system. It modifies the networking setups in order to prevent you from looking for the elimination manuals or downloading the antivirus. In some cases, Ransom:Win32/Basta.C can even block the launching of anti-malware programs.

Ransom:Win32/Basta.C Summary

Summarizingly, Ransom:Win32/Basta.C malware actions in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Dynamic (imported) function loading detected;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete or modify volume shadow copies;
  • Attempts to modify desktop wallpaper;
  • Attempts to stop active services;
  • Uses suspicious command line tools or Windows utilities;
  • Encrypting the files kept on the victim’s disk — so the victim cannot check these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a nightmare for the last 4 years. It is challenging to realize a more dangerous malware for both individual users and businesses. The algorithms utilized in Ransom:Win32/Basta.C (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 actually exists, and possibly will exist. But that virus does not do all these terrible things without delay – it may take up to a few hours to cipher all of your documents. Therefore, seeing the Ransom:Win32/Basta.C detection is a clear signal that you must begin the removal process.

Where did I get the Ransom:Win32/Basta.C?

Ordinary tactics of Ransom:Win32/Basta.C injection are common for all other ransomware examples. Those are one-day landing sites where users are offered to download and install the free software, so-called bait emails and hacktools. Bait e-mails are a pretty modern tactic in malware spreading – you receive the email that mimics some standard notifications about shippings 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 site.

Malicious email spam

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

Avoiding it looks pretty easy, but still requires tons of attention. Malware can hide in different places, and it is far better to prevent it even before it gets into your PC than to trust in an anti-malware program. General cybersecurity knowledge is just an important thing in the modern-day world, even if your relationship with a PC remains on YouTube videos. That can save you a great deal of time and money which you would spend while looking for a solution.

Ransom:Win32/Basta.C malware technical details

File Info:

name: A7F57A62CAA19B5035EA.mlw
path: /opt/CAPEv2/storage/binaries/9fce9ee85516533bae34fc1184a7cf31fa9f2c7889b13774f83d1df561708833
crc32: C1D38BFD
md5: a7f57a62caa19b5035ead2969cfa9dd0
sha1: e6cf2d6fc1c33754457506f54ab57f46ae957567
sha256: 9fce9ee85516533bae34fc1184a7cf31fa9f2c7889b13774f83d1df561708833
sha512: 9af30b1745a95c8e892b27384d2803c20d97127efc71c610d508024e241a2266e0d9827c351ba8784a2d6ad6c2e1e204253de773f0ba5ace4a334742fed0c4b3
ssdeep: 12288:S4gSdXGyVApUJdRlMq6I1ZhlQPUvhi0PmXQ64AmB9rqGSl7un:SsaUJdzMq6I1ZhlFhi0eK3rqGH
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T1FCC48D163491C07AD67243F10DAC9B51356EFD300F625ECBE3C45A6D0A7C5E2AB329BA
sha3_384: 5e3cfca603d013cf4d22c3ad9859ff457a915849042f4d0d88ec05c36ff83d9ce98d832e5187ff20ef36ed5c5668dfd3
ep_bytes: e847060000e974feffff3b0db8454800
timestamp: 2022-06-23 11:25:36

Version Info:

0: [No Data]

Ransom:Win32/Basta.C also known as:

K7AntiVirusTrojan ( 00594bc61 )
K7GWTrojan ( 00594bc61 )
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Filecoder.BlackBasta.C
EmsisoftDeepScan:Generic.Ransom.Basta.A.33AB2D72 (B)
CynetMalicious (score: 100)
MAXmalware (ai score=89)

How to remove Ransom:Win32/Basta.C?

Ransom:Win32/Basta.C malware is very hard to eliminate by hand. It puts its data in multiple locations throughout the disk, and can recover itself from one of the elements. In addition, various modifications in the windows registry, networking settings and Group Policies are really hard to find and return to the initial. It is much better to make use of a special app – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for virus elimination objectives.

Why GridinSoft Anti-Malware? It is pretty 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 facts makes GridinSoft Anti-Malware ideal 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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