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

What is Jaik.39542 infection?

In this post you will discover regarding the interpretation of Jaik.39542 as well as its negative impact on your computer. Such ransomware are a type of malware that is elaborated by on-line scams to require paying the ransom by a target.

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Most of the instances, Jaik.39542 ransomware will instruct its victims to initiate funds move for the objective of reducing the effects of the amendments that the Trojan infection has introduced to the victim’s device.

Jaik.39542 Summary

These adjustments can be as adheres to:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to delete volume shadow copies;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • 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!
  • Installs itself for autorun at Windows startup.

    There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the victim’s hard disk drive — so the sufferer can no more make use of the information;
  • Preventing normal accessibility to the victim’s workstation;
Similar behavior
Related domains
z.whorecord.xyz BScope.TrojanRansom.Shade
a.tomx.xyz BScope.TrojanRansom.Shade


One of the most regular channels through which Jaik.39542 Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As a consequence of customer winding up on a resource that organizes a harmful software program;

As soon as the Trojan is efficiently injected, it will either cipher the data on the sufferer’s PC or protect against the tool from operating in a correct way – while likewise positioning a ransom note that mentions the demand for the targets to effect the settlement for the function of decrypting the records or recovering the documents system back to the initial condition. In most instances, the ransom note will come up when the client restarts the PC after the system has actually already been harmed.

Jaik.39542 circulation channels.

In various edges of the world, Jaik.39542 grows by jumps and bounds. Nonetheless, the ransom money notes and tricks of obtaining the ransom amount may vary depending on specific neighborhood (local) settings. The ransom money notes and also tricks of obtaining the ransom money amount may vary depending on certain regional (local) setups.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software application.

    In certain locations, the Trojans typically wrongfully report having identified some unlicensed applications enabled on the victim’s gadget. The sharp then demands the user to pay the ransom.

    Faulty statements about illegal web content.

    In nations where software piracy is much less prominent, this technique is not as effective for the cyber frauds. Alternatively, the Jaik.39542 popup alert may falsely declare to be originating from a police organization and will certainly report having situated youngster porn or other illegal information on the device.

    Jaik.39542 popup alert may incorrectly declare to be obtaining from a legislation enforcement organization and also will certainly report having located youngster pornography or various other illegal data on the tool. The alert will similarly include a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: FE062EC4
md5: 4ca90b5ec807bddfb8c629ff8a82a888
name: tmpsj03qiy8
sha1: c6bc6456813b2d35e3702ab38af170ccefe09c07
sha256: a933dae438d7f9c2285b705bae251ceeb2fe486e7f9f93b73eb38579db48ce2b
sha512: 7d0a5c194c0d60865427f7b09835558057bc17fcd8ceef70606df46f8429a87a45a267aa131d4f8f398e82f2ff3a46c5255afcfef8a58ab89ec8ede08ec100e8
ssdeep: 12288:zM98452+gLvIv8xGXmrjHko4ObBlhM3/32:zyF8Bgkx6mrjHko4ObhMPG
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9Cylance 1995-Present
InternalName: ClnsSide
CompanyName: Cylance
LegalTrademarks: Copyright xa9Cylance 1995-Present
ProductName: ClnsSide
Languages: English
FileDescription: Criticisms Sep Xmlbulklad
OriginalFilename: ClnsSide
Translation: 0x0409 0x04b0

Jaik.39542 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware
MicroWorld-eScan Gen:Variant.Jaik.39542
FireEye Generic.mg.4ca90b5ec807bddf
McAfee Artemis!4CA90B5EC807
Cylance Unsafe
Sangfor Malware
Cybereason malicious.6813b2
Arcabit Trojan.Jaik.D9A76
TrendMicro Mal_HPGen-37b
Symantec ML.Attribute.HighConfidence
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan.Win32.DelShad.cvn
BitDefender Gen:Variant.Jaik.39542
Avast Win32:Trojan-gen
Rising Malware.Heuristic!ET#86% (RDMK:cmRtazqF9tUAfsaR3I9+d57EskEO)
Ad-Aware Gen:Variant.Jaik.39542
Sophos Mal/Generic-S
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Generic.hc
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Jaik.39542 (B)
SentinelOne DFI – Malicious PE
Webroot W32.Malware.Gen
Microsoft Trojan:Win32/Wacatac.C!ml
Endgame malicious (high confidence)
ZoneAlarm Trojan.Win32.DelShad.cvn
GData Gen:Variant.Jaik.39542
Acronis suspicious
ALYac Gen:Variant.Jaik.39542
MAX malware (ai score=88)
VBA32 BScope.TrojanRansom.Shade
ESET-NOD32 a variant of Win32/Kryptik.HCEM
TrendMicro-HouseCall Mal_HPGen-37b
Ikarus Trojan-Ransom.GandCrab
eGambit Unsafe.AI_Score_100%
BitDefenderTheta Gen:NN.ZexaF.34104.Iq0@aOu5G3ni
AVG Win32:Trojan-gen
Panda Trj/RnkBend.A
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 HEUR/QVM10.1.2A4F.Malware.Gen

How to remove Jaik.39542 ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 Jaik.39542 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 Jaik.39542 you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
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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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