What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan:Win32/CryptInject.RBB!MTB detection means that your system is in big danger. This virus can correctly be identified as ransomware – virus which ciphers your files and forces you to pay for their decryption. Stopping it requires some peculiar steps that must be done as soon as possible.
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Trojan:Win32/CryptInject.RBB!MTB detection is a virus detection you can spectate in your computer. It generally shows up after the provoking activities on your PC – opening the untrustworthy e-mail, clicking the advertisement in the Web or setting up the program from unreliable sources. From the second it shows up, you have a short time to act until it starts its destructive activity. And be sure – it is better not to wait for these malicious effects.

What is Trojan:Win32/CryptInject.RBB!MTB virus?

Trojan:Win32/CryptInject.RBB!MTB is ransomware-type malware. It searches for the documents on your disk, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your files locked, this virus additionally does a ton of damage to your system. It changes the networking setups in order to avoid you from checking out the removal guidelines or downloading the anti-malware program. In rare cases, Trojan:Win32/CryptInject.RBB!MTB can additionally stop the setup of anti-malware programs.

Trojan:Win32/CryptInject.RBB!MTB Summary

Summarizingly, Trojan:Win32/CryptInject.RBB!MTB virus activities in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Spanish (El Salvador);
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • A ping command was executed with the -n argument possibly to delay analysis;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Collects information about installed applications;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents located on the target’s disk — so the victim cannot check these documents;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a horror story for the last 4 years. It is difficult to imagine a more hazardous virus for both individual users and organizations. The algorithms utilized in Trojan:Win32/CryptInject.RBB!MTB (usually, 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 already exists, and possibly will exist. However, that malware does not do all these terrible things immediately – it may take up to a few hours to cipher all of your documents. Thus, seeing the Trojan:Win32/CryptInject.RBB!MTB detection is a clear signal that you have to start the removal procedure.

Where did I get the Trojan:Win32/CryptInject.RBB!MTB?

Routine methods of Trojan:Win32/CryptInject.RBB!MTB spreading are basic for all other ransomware examples. Those are one-day landing websites where users are offered to download and install the free app, so-called bait e-mails and hacktools. Bait emails are a relatively modern strategy in malware spreading – you get the email that imitates some normal notifications about shipments or bank service conditions updates. Inside of the email, there is a malicious 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 fairly simple, however, still demands a lot of attention. Malware can hide in various spots, and it is much better to prevent it even before it invades your computer than to rely on an anti-malware program. Essential cybersecurity awareness is just an important thing in the modern-day world, even if your interaction with a computer stays on YouTube videos. That can save you a great deal of time and money which you would certainly spend while seeking a solution.

Trojan:Win32/CryptInject.RBB!MTB malware technical details

File Info:

name: E6ECF524487BAA65B183.mlw
path: /opt/CAPEv2/storage/binaries/705dfaf79fd2752c182aea292f1edd53f9677c6809ba693a7839f59287740e5b
crc32: ED486C87
md5: e6ecf524487baa65b1835e028f63bf96
sha1: 7b23a2de366f32cccc1ce1d5ddae597142a28fb4
sha256: 705dfaf79fd2752c182aea292f1edd53f9677c6809ba693a7839f59287740e5b
sha512: 6408c46cd627bf7f6e1256b38521112c53f246998f772ab189d51e57664d80e3a6a43894ff9e7c15163e20337874989b609403ec0f367af6470d68ede6a3a0dc
ssdeep: 12288:OsxTDqQ6JUyUJCAkpDXmaRSbU9E5bSMtJjI7//0Ur6GFWDplABbuxqie:O+DqQ6Jp8iLVRSw9467DLFWDPguLe
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T19AD401A135618033C2B23931ECACDB917A7B74326775449E33942E6FBF702A05E6572E
sha3_384: 7ad4dcfc36892b5465d920fcb1b8a262faeb4543198e9e47ad741fb2316e1bf0261a8cce8a114966bfe9ced571ad0bd8
ep_bytes: e83a300000e989feffff8bff558bec83
timestamp: 2019-03-05 00:49:54

Version Info:

Translations: 0x0291 0x0315

Trojan:Win32/CryptInject.RBB!MTB also known as:

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 005643101 )
K7GWTrojan ( 005643101 )
ESET-NOD32a variant of Win32/Kryptik.HEMF
AvastWin32:TrojanX-gen [Trj]
EmsisoftTrojan.GenericKDZ.68243 (B)
CynetMalicious (score: 100)
MAXmalware (ai score=83)
RisingTrojan.Kryptik!1.C833 (CLASSIC)
SentinelOneStatic AI – Malicious PE
AVGWin32:TrojanX-gen [Trj]
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan:Win32/CryptInject.RBB!MTB?

Trojan:Win32/CryptInject.RBB!MTB malware is extremely difficult to remove by hand. It stores its files in numerous locations throughout the disk, and can get back itself from one of the parts. Moreover, various modifications in the windows registry, networking setups and also Group Policies are quite hard to identify and revert to the original. It is much better to utilize a specific app – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the best for malware removal reasons.

Why GridinSoft Anti-Malware? It is really light-weight and has its databases updated just about every hour. Furthermore, it does not have such problems and weakness as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware ideal for taking out 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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