Win32:Crypt-OJD [Trj]

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

What is Win32:Crypt-OJD [Trj] infection?

In this post you will certainly locate regarding the interpretation of Win32:Crypt-OJD [Trj] and its unfavorable influence on your computer system. Such ransomware are a form of malware that is clarified by on the internet frauds to demand paying the ransom by a target.

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In the majority of the situations, Win32:Crypt-OJD [Trj] ransomware will certainly instruct its victims to start funds move for the objective of reducing the effects of the modifications that the Trojan infection has presented to the target’s device.

Win32:Crypt-OJD [Trj] Summary

These modifications can be as complies with:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • The executable is compressed using UPX;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the papers found on the target’s disk drive — so the victim can no longer use the data;
  • Preventing normal access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32:Crypt-OJD [Trj]

The most normal networks where Win32:Crypt-OJD [Trj] Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a resource that hosts a harmful software;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the target’s PC or prevent the device from functioning in a proper way – while additionally putting a ransom note that states the requirement for the targets to impact the settlement for the purpose of decrypting the files or recovering the file system back to the preliminary problem. In the majority of instances, the ransom note will certainly show up when the customer restarts the PC after the system has already been damaged.

Win32:Crypt-OJD [Trj] circulation networks.

In numerous corners of the globe, Win32:Crypt-OJD [Trj] grows by jumps and bounds. Nevertheless, the ransom notes and also tricks of obtaining the ransom amount might differ depending on certain regional (regional) settings. The ransom notes as well as methods of extorting the ransom money quantity might vary depending on certain regional (regional) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software application.

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

    Faulty statements regarding prohibited web content.

    In nations where software piracy is much less preferred, this method is not as effective for the cyber fraudulences. Alternatively, the Win32:Crypt-OJD [Trj] popup alert may wrongly claim to be deriving from a law enforcement establishment as well as will report having located kid porn or various other unlawful information on the tool.

    Win32:Crypt-OJD [Trj] popup alert may wrongly assert to be obtaining from a legislation enforcement organization and also will certainly report having located kid pornography or other prohibited data on the tool. The alert will similarly consist of a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: D8BC479D
md5: 10de4c91a7b1b493c040471e58ea614d
name: 10DE4C91A7B1B493C040471E58EA614D.mlw
sha1: 355f2027032b08e004b4df75323f5d291166a3a5
sha256: 10b1fb29be62030b87fce245750631ff722923f993e31ca86f84b834ab19bd65
sha512: aa368bba74151d6b29c3a00ae065bba225463aa6ab63c473e00735e7c9f0608fd2295c21f9f22c48cf1dc2e007928b72b1be6b0b5f9bc87865df7012e11184ac
ssdeep: 1536:HMAlW6LoqkB/xj1hiryTCXnvL35+0ViGsGjwKNVBcW7TE8V:HrW6cqk7i93vLJ+0A+NII
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32:Crypt-OJD [Trj] also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004bcce41 )
Elastic malicious (high confidence)
DrWeb Trojan.Siggen4.43473
Cynet Malicious (score: 100)
ALYac Gen:Variant.Symmi.8604
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 004bcce41 )
Cybereason malicious.1a7b1b
Symantec Trojan.Shylock
APEX Malicious
Avast Win32:Crypt-OJD [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Symmi.8604
NANO-Antivirus Trojan.Win32.Yakes.deqwzq
MicroWorld-eScan Gen:Variant.Symmi.8604
Tencent Win32.Trojan.Ransom.Dxxe
Ad-Aware Gen:Variant.Symmi.8604
Sophos Mal/Generic-S
Comodo TrojWare.Win32.PWS.ZBot.AAA@4sq88d
BitDefenderTheta Gen:NN.ZexaE.34738.imW@aqXXRNei
Emsisoft Gen:Variant.Symmi.8604 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.guvsu
Avira TR/Crypt.XPACK.Gen
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.11E6E15
Kingsoft Win32.Troj.Yakes.bk.(kcloud)
Microsoft VirTool:Win32/Obfuscator.ADR
GData Gen:Variant.Symmi.8604
AhnLab-V3 Trojan/Win32.Yakes.C2319681
Acronis suspicious
McAfee PWS-Zbot.gen.arb
MAX malware (ai score=81)
VBA32 Trojan.Yakes
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_RANSOM.SMWX
Rising Malware.Heuristic!ET#97% (RDMK:cmRtazr73yEuNWqZgrrTeQbP/qg1)
Yandex Trojan.Agent!9lumE1G/Iwc
Ikarus Trojan.Dropper
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Yakes.BKEL!tr
AVG Win32:Crypt-OJD [Trj]

How to remove Win32:Crypt-OJD [Trj] 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:Crypt-OJD [Trj] 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:Crypt-OJD [Trj] 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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