What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Delf.OCQ infection?

In this article you will certainly discover about the definition of Win32/Delf.OCQ and also its unfavorable effect on your computer system. Such ransomware are a form of malware that is specified by online fraudulences to require paying the ransom by a target.

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In the majority of the cases, Win32/Delf.OCQ infection will advise its sufferers to start funds transfer for the function of reducing the effects of the changes that the Trojan infection has presented to the sufferer’s tool.

Win32/Delf.OCQ Summary

These modifications can be as follows:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the victim’s hard drive — so the sufferer can no longer utilize the data;
  • Preventing regular accessibility to the victim’s workstation;


One of the most normal networks where Win32/Delf.OCQ Ransomware are infused are:

  • By methods of phishing emails;
  • As a consequence of individual winding up on a resource that holds a destructive software program;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the victim’s PC or stop the tool from operating in an appropriate way – while also positioning a ransom note that points out the demand for the victims to effect the payment for the objective of decrypting the papers or recovering the file system back to the preliminary problem. In many instances, the ransom note will show up when the customer restarts the COMPUTER after the system has already been damaged.

Win32/Delf.OCQ circulation networks.

In numerous edges of the world, Win32/Delf.OCQ grows by jumps and bounds. Nonetheless, the ransom notes as well as methods of extorting the ransom amount may differ relying on certain regional (local) settings. The ransom notes as well as techniques of obtaining the ransom money quantity might differ depending on specific local (regional) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In certain locations, the Trojans often wrongfully report having actually detected some unlicensed applications made it possible for on the victim’s tool. The sharp then demands the individual to pay the ransom money.

    Faulty statements about unlawful web content.

    In countries where software program piracy is less popular, this technique is not as efficient for the cyber scams. Conversely, the Win32/Delf.OCQ popup alert may wrongly declare to be deriving from a police establishment and will certainly report having situated kid porn or other unlawful information on the gadget.

    Win32/Delf.OCQ popup alert might falsely declare to be deriving from a legislation enforcement organization as well as will report having situated child pornography or other unlawful information on the gadget. The alert will similarly have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 22BE17B2
md5: 4f4a8ab346a0344f31d1913ab24c857f
name: 4F4A8AB346A0344F31D1913AB24C857F.mlw
sha1: 7ee672257a66bfdd02643f3e03486a06e9392f14
sha256: 621069ca9cb90af7be4c39146d0765e8ec78a4cce7b87ac946feadfe283a41c5
sha512: 9c69f57ece127aa80dfbba299eed4e9a61e60418085f135eb84cdd7a957542388ad103e5a08319f63715864669d6dafcbe6620680634a3649774e765b89b218d
ssdeep: 6144:IwwbJg/1nGJlSUqIHalx9JOQwgq1G3Yiv0lcySe/wC5XVmvQBOwz:InbJg/1fUqIHavKD1GYi2/XwvQBJ
type: PE32 executable (GUI) Intel 80386, for MS Windows, PECompact2 compressed

Version Info:

0: [No Data]

Win32/Delf.OCQ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Cynet Malicious (score: 100)
Zillya Trojan.Vilsel.Win32.27091
CrowdStrike win/malicious_confidence_100% (D)
Cybereason malicious.57a66b
Cyren W32/Damaged_File.E.gen!Eldorado
ESET-NOD32 Win32/Delf.OCQ
APEX Malicious
Alibaba Trojan:Win32/Generic.f4d3f27c
Sophos Generic ML PUA (PUA)
Comodo Malware@#1lg546j3qza44
McAfee-GW-Edition BehavesLike.Win32.VirRansom.dc
SentinelOne Static AI – Suspicious PE
eGambit Unsafe.AI_Score_94%
Microsoft Program:Win32/Wacapew.C!ml
Acronis suspicious
McAfee Artemis!4F4A8AB346A0
Rising [email protected] (RDML:Ncj/xAMt/yOSWCSmD0auWw)
Ikarus Trojan.Win32.Delf

How to remove Win32/Delf.OCQ ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Delf.OCQ files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Win32/Delf.OCQ you can always ask me in the comments for getting help.

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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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