Trojan.Crypt.EJ (B)

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

What is Trojan.Crypt.EJ (B) infection?

In this short article you will locate about the interpretation of Trojan.Crypt.EJ (B) and its negative effect on your computer. Such ransomware are a type of malware that is elaborated by on the internet scams to demand paying the ransom by a victim.

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In the majority of the cases, Trojan.Crypt.EJ (B) infection will instruct its victims to start funds move for the function of counteracting the modifications that the Trojan infection has introduced to the sufferer’s device.

Trojan.Crypt.EJ (B) Summary

These alterations can be as adheres to:

  • 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
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the target’s hard drive — so the victim can no more utilize the data;
  • Preventing routine accessibility to the victim’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
z.whorecord.xyz Trojan-Ransom.Win32.Blocker.itys
a.tomx.xyz Trojan-Ransom.Win32.Blocker.itys
dns-blabla.com Trojan-Ransom.Win32.Blocker.itys
dns-blabla.net Trojan-Ransom.Win32.Blocker.itys

Trojan.Crypt.EJ (B)

One of the most common channels through which Trojan.Crypt.EJ (B) Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of customer winding up on a resource that holds a malicious software program;

As soon as the Trojan is effectively injected, it will either cipher the information on the sufferer’s computer or avoid the tool from operating in an appropriate way – while additionally placing a ransom money note that states the demand for the victims to impact the payment for the purpose of decrypting the documents or restoring the documents system back to the preliminary problem. In many circumstances, the ransom money note will certainly show up when the customer restarts the PC after the system has actually already been harmed.

Trojan.Crypt.EJ (B) distribution networks.

In various corners of the globe, Trojan.Crypt.EJ (B) expands by jumps as well as bounds. However, the ransom notes and also techniques of obtaining the ransom money quantity may vary depending on specific neighborhood (regional) settings. The ransom notes and techniques of extorting the ransom money amount may vary depending on particular neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software.

    In certain areas, the Trojans often wrongfully report having actually discovered some unlicensed applications allowed on the victim’s device. The sharp then demands the individual to pay the ransom.

    Faulty statements about illegal content.

    In countries where software piracy is less popular, this technique is not as reliable for the cyber scams. Additionally, the Trojan.Crypt.EJ (B) popup alert may falsely assert to be deriving from a police institution and will report having situated child pornography or other prohibited information on the device.

    Trojan.Crypt.EJ (B) popup alert may wrongly claim to be deriving from a law enforcement establishment and will report having situated youngster pornography or other unlawful information on the tool. The alert will in a similar way include a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 557B0D88
md5: 1db47af7762d33f619998fe6b7c01f2b
name: 1DB47AF7762D33F619998FE6B7C01F2B.mlw
sha1: fcac39b96d0f979e63e65e5690326ec414bb8c34
sha256: 8b7a3a977ebf4b8bb6bd88fe3547d92d04a1656d0c35523ad69c72ec9aa13ef0
sha512: b863a974806753d5a080bf514d5f817cd70552b12582a218ad9bf16883c5d098054406817b1d9cf566a10e86a9c7e23901e7a85a570eee93b329adcb0d306d7d
ssdeep: 6144:QMoK0zaHdLIKbSNmvbSO0bS2AmbSYCqbSxbS3bS1TaRDi8bdbSankP+6bwnkP+6Q:uK0MhHT2LPemnDLxQ+m+AeDR+Aeu
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Trojan.Crypt.EJ (B) also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectGBM.malware.01
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Crypt.EJ
FireEye Generic.mg.1db47af7762d33f6
CAT-QuickHeal Worm.Socks.13494
McAfee GenericRXAA-AA!1DB47AF7762D
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.7762d3
Baidu Win32.Trojan-PSW.Agent.b
Cyren W32/Socks.A.gen!Eldorado
Symantec W32.Mandaph
TotalDefense Win32/Korced!generic
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Worm.Socks-8977521-0
Kaspersky Trojan-Ransom.Win32.Blocker.itys
Alibaba Worm:Win32/Blocker.b8b3e784
NANO-Antivirus Trojan.Win32.Socks.lpxw
AegisLab Trojan.Win32.Generic.l92u
Rising Ransom.Blocker!8.12A (TFE:5:MiRWOJqqbyM)
Ad-Aware Trojan.Crypt.EJ
Sophos Mal/Generic-S
Comodo Malware@#3cf0fiukickb5
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
Emsisoft Trojan.Crypt.EJ (B)
SentinelOne Static AI – Malicious PE
Jiangmin Worm/Socks.ni
Avira TR/Dldr.Agent.agl
MAX malware (ai score=81)
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
BitDefenderTheta AI:Packer.4CE4E6A11B
ALYac Trojan.Crypt.EJ
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
Ikarus Virus.Worm.Win32.Socks.afv
eGambit Unsafe.AI_Score_99%
Fortinet W32/Socks.HF!worm
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Ransom.Blocker.HwsBDGcA

How to remove Trojan.Crypt.EJ (B) 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 (B) 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 (B) 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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