What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the VirTool:Win32/Injector.CJ detection name means that your system is in big danger. This computer virus can correctly be identified as ransomware – virus which encrypts your files and asks you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.
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VirTool:Win32/Injector.CJ detection is a virus detection you can spectate in your system. It frequently shows up after the preliminary procedures on your PC – opening the untrustworthy e-mail, clicking the banner in the Internet or mounting the program from suspicious sources. From the instance it shows up, you have a short time to do something about it before it starts its destructive action. And be sure – it is far better not to wait for these destructive actions.

What is VirTool:Win32/Injector.CJ virus?

VirTool:Win32/Injector.CJ is ransomware-type malware. It looks for the documents on your disks, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this virus additionally does a ton of harm to your system. It changes the networking settings in order to stop you from checking out the removal articles or downloading the antivirus. In rare cases, VirTool:Win32/Injector.CJ can even block the launching of anti-malware programs.

VirTool:Win32/Injector.CJ Summary

Summarizingly, VirTool:Win32/Injector.CJ virus actions in the infected computer are next:

  • Sample contains Overlay data;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Behavioural detection: Injection (inter-process);
  • Anomalous binary characteristics;
  • Encrypting the files located on the target’s disk drive — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of security tools

Ransomware has actually been a major problem for the last 4 years. It is challenging to realize a more harmful virus for both individuals and businesses. The algorithms utilized in VirTool:Win32/Injector.CJ (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy currently exists, and possibly will exist. But that malware does not do all these unpleasant things without delay – it can take up to several hours to cipher all of your files. Hence, seeing the VirTool:Win32/Injector.CJ detection is a clear signal that you have to begin the elimination process.

Where did I get the VirTool:Win32/Injector.CJ?

General methods of VirTool:Win32/Injector.CJ spreading are usual for all other ransomware variants. Those are one-day landing websites where users are offered to download the free software, so-called bait emails and hacktools. Bait e-mails are a quite new strategy in malware spreading – you receive the e-mail that imitates some routine notifications about deliveries or bank service conditions updates. Inside of the e-mail, there is an infected MS Office file, or a web link which opens the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks pretty easy, but still needs a lot of focus. Malware can hide in different places, and it is far better to prevent it even before it invades your system than to rely on an anti-malware program. Simple cybersecurity awareness is just an important thing in the modern-day world, even if your interaction with a computer stays on YouTube videos. That may keep you a great deal of money and time which you would spend while searching for a fix guide.

VirTool:Win32/Injector.CJ malware technical details

File Info:

name: CF261A5E3CB43A65D023.mlw
path: /opt/CAPEv2/storage/binaries/6ad718ff08a5a333017806c0bbf61a45bd176b7912c18c7cef0606f216b00d9a
crc32: FDA345AC
md5: cf261a5e3cb43a65d0235c9f3b31d89e
sha1: 0badff5700ffcbe9e51e76e22a00748ab75b7da9
sha256: 6ad718ff08a5a333017806c0bbf61a45bd176b7912c18c7cef0606f216b00d9a
sha512: 7a227b793c8d5d6195ab680be092953c11ade187e03e9f1ca07a8ad71b307df16f33a3c036162a31859ba6f22ad1ce52ed378b33c2f578a7d368bba0b429974b
ssdeep: 6144:hVIdBpfOwmSrGNy1Jqog5CjvQykI4/SBoyY5L3QQRL00Z:gffOl4MLh78R0Z
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T19A54010272C94071E223927115A5C3528BB3BCA693629EDF1FCA4EB71F3D661D3A135E
sha3_384: e834317f354931482a64771a54c55f588eec455710a2184187c8340f01f4a4218c626781cb8a51e721158cf17091c3a1
ep_bytes: e8c61a0000e989feffff8bff558bec81
timestamp: 2012-07-09 17:06:32

Version Info:

LegalCopyright: Copyright (C) 2012
Translation: 0x0409 0x04b0

VirTool:Win32/Injector.CJ also known as:

Elasticmalicious (high confidence)
K7AntiVirusRansomware ( 004ff5d71 )
K7GWRansomware ( 004ff5d71 )
ESET-NOD32a variant of Win32/Injector.TTM
CynetMalicious (score: 100)
AvastWin32:Zbot-OYP [Trj]
SophosML/PE-A + Mal/Zbot-HV
SentinelOneStatic AI – Malicious PE
EmsisoftTrojan.EmotetU.Gen.rq1@iCoCY!ni (B)
MAXmalware (ai score=87)
RisingHackTool.Injector!8.1E2 (TFE:5:2cT2gp30x7V)
AVGWin32:Zbot-OYP [Trj]
CrowdStrikewin/malicious_confidence_100% (W)

How to remove VirTool:Win32/Injector.CJ?

VirTool:Win32/Injector.CJ malware is extremely hard to eliminate by hand. It places its data in several places throughout the disk, and can restore itself from one of the parts. Additionally, countless changes in the windows registry, networking setups and Group Policies are quite hard to find and change to the initial. It is far better to utilize a special program – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for malware elimination reasons.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its databases updated just about every hour. Moreover, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware perfect for getting rid of malware of any form.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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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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