What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Win32/DelShad.B detection name means that your PC is in big danger. This virus can correctly be named as ransomware – virus which encrypts your files and forces you to pay for their decryption. Stopping it requires some unusual steps that must be done as soon as possible.
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Win32/DelShad.B detection is a malware detection you can spectate in your computer. It generally appears after the provoking procedures on your PC – opening the untrustworthy e-mail messages, clicking the advertisement in the Internet or mounting the program from untrustworthy resources. From the instance it shows up, you have a short time to act until it starts its harmful activity. And be sure – it is much better not to await these harmful things.

What is Win32/DelShad.B virus?

Win32/DelShad.B is ransomware-type malware. It searches for the documents on your disk drive, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this virus also does a ton of harm to your system. It alters the networking setups in order to prevent you from looking for the removal tutorials or downloading the anti-malware program. In some cases, Win32/DelShad.B can even stop the launching of anti-malware programs.

Win32/DelShad.B Summary

Summarizingly, Win32/DelShad.B ransomware actions in the infected computer are next:

  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution;
  • Sample contains Overlay data;
  • Reads data out of its own binary image;
  • Unconventionial language used in binary resources: Russian;
  • Authenticode signature is invalid;
  • A ping command was executed with the -n argument possibly to delay analysis;
  • Uses Windows utilities for basic functionality;
  • Uses Windows utilities to create a scheduled task;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Modifies Image File Execution Options, indicative of process injection or persistence;
  • Creates known PcClient mutex and/or file changes.;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Encrypting the files kept on the victim’s disk — so the victim cannot open these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a headache for the last 4 years. It is challenging to realize a more damaging malware for both individual users and companies. The algorithms utilized in Win32/DelShad.B (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 bad things instantly – it can require up to a few hours to cipher all of your documents. Thus, seeing the Win32/DelShad.B detection is a clear signal that you need to begin the clearing procedure.

Where did I get the Win32/DelShad.B?

Typical ways of Win32/DelShad.B spreading are basic for all other ransomware examples. Those are one-day landing web pages where users are offered to download and install the free software, so-called bait emails and hacktools. Bait emails are a relatively new method in malware distribution – you get the e-mail that simulates some regular notifications about shipments or bank service conditions changes. Inside of the email, there is a malicious MS Office file, or a web link which opens the exploit landing page.

Malicious email spam

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

Avoiding it looks quite uncomplicated, however, still requires tons of recognition. Malware can hide in various spots, and it is much better to prevent it even before it invades your computer than to trust in an anti-malware program. Common cybersecurity awareness is just an essential thing in the modern world, even if your relationship with a PC remains on YouTube videos. That can save you a lot of money and time which you would certainly spend while seeking a fixing guide.

Win32/DelShad.B malware technical details

File Info:

name: A24635BF5F786591B541.mlw
path: /opt/CAPEv2/storage/binaries/870d99f50bd6cb6f5f02bbde1545196b699230e7093a4efcd9020f477a1c6dcd
crc32: 9F8FDF35
md5: a24635bf5f786591b5410e7250117d2e
sha1: e398c44110bdf3ec5ff2af1de30b2ca2224140b4
sha256: 870d99f50bd6cb6f5f02bbde1545196b699230e7093a4efcd9020f477a1c6dcd
sha512: 8e7d2b5578bffef81dd4e1cbd2bd9bbead223dd7f1bb468313d21659e2d28ee7f4bff837aec80a9d99c4c56564cfa62ea651684d09fdc172e534e02036abe761
ssdeep: 49152:Al4IZR+LVdC4Pt3yBM6ly01WcJMoSwfnurCRFOVcovutSYMk5bMyA:hIZRkVdj6n+IGrCRFO7vutSYZuyA
type: PE32+ executable (GUI) x86-64, for MS Windows
tlsh: T187E5233EB66C48B4CA2AC079CF95AA4AD7B2F504439083DB5154CBB34E27FA4AC2D355
sha3_384: 78abf42ab866f81e3e3bb466da712dbcd2abf8b6834c1af9e891d0ac2b81c0352fe3050f50eb3e46e2b895f6a1e8ee42
ep_bytes: 4883ec28e8f30100004883c428e9eafc
timestamp: 2012-12-31 00:39:34

Version Info:

CompanyName: Oleg N. Scherbakov
FileDescription: 7z Setup SFX (x64)
InternalName: 7ZSfxMod
LegalCopyright: Copyright © 2005-2012 Oleg N. Scherbakov
OriginalFilename: 7ZSfxMod_x64.exe
PrivateBuild: December 30, 2012
ProductName: 7-Zip SFX
Translation: 0x0000 0x04b0

Win32/DelShad.B also known as:

EmsisoftTrojan.GenericKD.46108406 (B)
MAXmalware (ai score=80)
CrowdStrikewin/malicious_confidence_60% (D)

How to remove Win32/DelShad.B?

Win32/DelShad.B malware is very difficult to delete manually. It stores its documents in multiple locations throughout the disk, and can get back itself from one of the parts. In addition, numerous changes in the windows registry, networking setups and also Group Policies are quite hard to identify and revert to the initial. It is better to utilize a specific tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware removal reasons.

Why GridinSoft Anti-Malware? It is really light-weight and has its databases updated almost every hour. Furthermore, it does not have such problems and weakness as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware perfect for taking out 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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