Trojan.Crypt.EJ

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

What is Trojan.Crypt.EJ infection?

In this short article you will locate about the meaning of Trojan.Crypt.EJ and its negative impact on your computer. Such ransomware are a type of malware that is elaborated by online fraudulences to require paying the ransom money by a sufferer.

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In the majority of the cases, Trojan.Crypt.EJ ransomware will advise its victims to start funds move for the purpose of reducing the effects of the amendments that the Trojan infection has actually presented to the sufferer’s tool.

Trojan.Crypt.EJ Summary

These modifications can be as follows:

  • A process attempted to delay the analysis task.;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the sufferer’s hard disk drive — so the victim can no longer make use of the data;
  • Preventing regular 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.
Similar behavior
Related domains
dns-blabla.com Trojan-Ransom.Win32.Blocker.itys
dns-blabla.net Trojan-Ransom.Win32.Blocker.itys

Trojan.Crypt.EJ

One of the most normal networks where Trojan.Crypt.EJ Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of individual ending up on a resource that organizes a destructive software application;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s computer or stop the gadget from functioning in a proper fashion – while also placing a ransom note that points out the need for the victims to impact the repayment for the purpose of decrypting the documents or bring back the file system back to the first condition. In the majority of instances, the ransom note will certainly turn up when the customer reboots the PC after the system has already been harmed.

Trojan.Crypt.EJ distribution networks.

In different edges of the globe, Trojan.Crypt.EJ expands by jumps and also bounds. However, the ransom notes and methods of extorting the ransom money amount might differ depending on specific neighborhood (regional) setups. The ransom money notes and also techniques of obtaining the ransom money amount may vary depending on certain local (local) settings.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software program.

    In particular locations, the Trojans commonly wrongfully report having discovered some unlicensed applications made it possible for on the victim’s device. The sharp after that demands the user to pay the ransom money.

    Faulty declarations about prohibited web content.

    In nations where software program piracy is much less preferred, this method is not as effective for the cyber frauds. Alternatively, the Trojan.Crypt.EJ popup alert might wrongly assert to be deriving from a law enforcement establishment and will report having located youngster pornography or various other illegal data on the device.

    Trojan.Crypt.EJ popup alert may falsely assert to be obtaining from a regulation enforcement institution and will certainly report having located kid porn or other unlawful data on the tool. The alert will similarly contain a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 71D015FE
md5: 192b519db8b0bae6e83d50cea94218ec
name: 192B519DB8B0BAE6E83D50CEA94218EC.mlw
sha1: 55117df509f074517c77b9a3e4ca87b9a4a2e0a0
sha256: d3d9b79d51e6c730b0e417af51c6798dc21f175abe59c81153e166b04da5e9a0
sha512: 29011d2e4c9592d073a43143724485995c5e149fb29366de0589e5c4dc133aaae58a0f13ae9b14085e53f34af0251108da7272d6d8ea6a2adbfb77740e0ae44d
ssdeep: 6144:QMoK0zaHdLIKbSNmvbSO0bS2AmbSYCqbSxbS3bS1TaRDi8bdbSankP+6bwnkP+6v:uK0MhHT2LPemnDLxQ+m+AeDR+Au
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Trojan.Crypt.EJ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectGBM.malware.01
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Crypt.EJ
FireEye Generic.mg.192b519db8b0bae6
CAT-QuickHeal Worm.Socks.13494
ALYac Trojan.Crypt.EJ
Cylance Unsafe
VIPRE P2P-Worm.Win32.Socks.g (fs)
Sangfor Trojan.Win32.Save.a
K7AntiVirus EmailWorm ( 005662bd1 )
BitDefender Trojan.Crypt.EJ
K7GW EmailWorm ( 005662bd1 )
Cybereason malicious.db8b0b
Baidu Win32.Trojan-PSW.Agent.b
Cyren W32/Socks.A.gen!Eldorado
Symantec W32.Mandaph
TotalDefense Win32/Korced!generic
APEX Malicious
ClamAV Win.Worm.Socks-8977521-0
Kaspersky Trojan-Ransom.Win32.Blocker.itys
Alibaba Worm:Win32/Blocker.b8b3e784
NANO-Antivirus Trojan.Win32.Socks.lpxw
Rising Ransom.Blocker!8.12A (CLOUD)
Ad-Aware Trojan.Crypt.EJ
Emsisoft Trojan.Crypt.EJ (B)
Comodo Malware@#f9801soghd01
F-Secure Trojan.TR/Dldr.Agent.agl
DrWeb Trojan.Siggen10.38737
Zillya Worm.Socks.Win32.284
TrendMicro WORM_SOCKS.BL
McAfee-GW-Edition BehavesLike.Win32.Backdoor.fc
MaxSecure Worm.Socks
Sophos Mal/Generic-S
Ikarus Virus.Worm.Win32.Socks.afv
Jiangmin Worm/Socks.ni
Avira TR/Dldr.Agent.agl
Antiy-AVL Worm/Win32.Socks
Microsoft Worm:Win32/Autorun
Arcabit Trojan.Crypt.EJ
ZoneAlarm Trojan-Ransom.Win32.Blocker.itys
GData Trojan.Crypt.EJ
Cynet Malicious (score: 100)
AhnLab-V3 Worm/Win32.Socks.R2364
McAfee GenericRXAA-AA!192B519DB8B0
MAX malware (ai score=84)
VBA32 SScope.Worm.Socks.afv
Malwarebytes Generic.Worm.Autorun.DDS
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Socks.NAJ
TrendMicro-HouseCall WORM_SOCKS.BL
Tencent Malware.Win32.Gencirc.10b07679
Yandex Trojan.GenAsa!XFaKFzne070
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Socks.HF!worm
BitDefenderTheta AI:Packer.8D6A39611B
AVG Win32:Malware-gen
Avast Win32:Malware-gen
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Ransom.Blocker.HwsBDGcA

How to remove Trojan.Crypt.EJ 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

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 Trojan.Crypt.EJ 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 Trojan.Crypt.EJ you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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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