Ransom:MSIL/RozbehCrypt.PA!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:MSIL/RozbehCrypt.PA!MTB detection usually means that your PC is in big danger. This malware can correctly be named as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Stopping it requires some specific steps that must be taken as soon as possible.
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Ransom:MSIL/RozbehCrypt.PA!MTB detection is a malware detection you can spectate in your system. It usually shows up after the preliminary activities on your computer – opening the untrustworthy email messages, clicking the advertisement in the Internet or installing the program from untrustworthy resources. From the second it appears, you have a short time to take action before it starts its malicious activity. And be sure – it is much better not to await these harmful effects.

What is Ransom:MSIL/RozbehCrypt.PA!MTB virus?

Ransom:MSIL/RozbehCrypt.PA!MTB is ransomware-type malware. It searches for the documents on your disk, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this virus additionally does a lot of damage to your system. It modifies the networking settings in order to prevent you from checking out the removal guidelines or downloading the anti-malware program. In rare cases, Ransom:MSIL/RozbehCrypt.PA!MTB can even stop the setup of anti-malware programs.

Ransom:MSIL/RozbehCrypt.PA!MTB Summary

Summarizingly, Ransom:MSIL/RozbehCrypt.PA!MTB malware actions in the infected PC are next:

  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Encrypting the documents located on the victim’s disk — so the victim cannot open these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a nightmare for the last 4 years. It is difficult to picture a more harmful malware for both individual users and companies. The algorithms utilized in Ransom:MSIL/RozbehCrypt.PA!MTB (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy currently exists, and possibly will exist. However, that malware does not do all these bad things immediately – it may take up to several hours to cipher all of your documents. Thus, seeing the Ransom:MSIL/RozbehCrypt.PA!MTB detection is a clear signal that you should start the removal procedure.

Where did I get the Ransom:MSIL/RozbehCrypt.PA!MTB?

Ordinary methods of Ransom:MSIL/RozbehCrypt.PA!MTB spreading are typical for all other ransomware examples. Those are one-day landing sites where users are offered to download and install the free app, so-called bait e-mails and hacktools. Bait emails are a quite new tactic in malware distribution – you get the email that imitates some standard notifications about shippings or bank service conditions updates. Inside of the email, there is an infected MS Office file, or a link which opens the exploit landing site.

Malicious email spam

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

Avoiding it looks quite uncomplicated, but still demands tons of focus. Malware can hide in different places, and it is better to stop it even before it goes into your system than to rely on an anti-malware program. Standard cybersecurity awareness is just an important thing in the modern-day world, even if your relationship with a computer stays on YouTube videos. That may save you a great deal of time and money which you would spend while searching for a fixing guide.

Ransom:MSIL/RozbehCrypt.PA!MTB malware technical details

File Info:

name: F7F7A232604AFC8DB2C6.mlw
path: /opt/CAPEv2/storage/binaries/4107e196c9dcb04cb51e9598477b62c3d6309aafd8259dc9ebf09786145fce7c
crc32: EA0539F6
md5: f7f7a232604afc8db2c61866358f4322
sha1: 48e25132d692f4da306c52c88e823e8a0f0a695b
sha256: 4107e196c9dcb04cb51e9598477b62c3d6309aafd8259dc9ebf09786145fce7c
sha512: 50da7d9ee443b18c8b2495dd5c2262d6293451a472e600496321d1fccf315e2fda96c15b217f9fc050f3441f13efcdd55b6bb44ea7be9f87abb2bcd946e70be3
ssdeep: 384:z1k0N/42pCIk9+GuokwlwAoox5qgHyqDo5UD4lskseKwf:z1k0N/4j08LDo5K4lGeL
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14782D71ADEE782EED0BF7F365EF6425392B1A501A43DD71F089113DE0B636024682F66
sha3_384: e267fe936c1b7e07837702112b36563b557562d6524af8537335bfb81cc690ce972f717e02c598f5b523aa0aed7ac081
ep_bytes: ff250020400000000000000000000000
timestamp: 2021-12-06 17:23:17

Version Info:

Translation: 0x0000 0x04b0
FileDescription: EvilNominatus
FileVersion: 1.0.8010.16898
InternalName: EvilNominatus.exe
LegalCopyright: Copyright 2021
OriginalFilename: EvilNominatus.exe
ProductName: EvilNominatus
ProductVersion: 1.0.8010.16898
Assembly Version: 1.0.8010.16898

Ransom:MSIL/RozbehCrypt.PA!MTB also known as:

LionicTrojan.Win32.Bulz.4!c
DrWebTrojan.Encoder.34666
MicroWorld-eScanGen:Variant.Bulz.366169
ALYacTrojan.Ransom.Filecoder
CylanceUnsafe
SangforRansom.MSIL.Encoder.gen
K7AntiVirusTrojan ( 0058aeb01 )
AlibabaRansom:MSIL/Encoder.c88592e0
K7GWTrojan ( 0058aeb01 )
Cybereasonmalicious.2604af
BitDefenderThetaGen:NN.ZemsilF.34084.bm0@aGZ0PIf
CyrenW32/MSIL_Filecoder.D.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/Filecoder.EvilNominatus.A
Paloaltogeneric.ml
KasperskyHEUR:Trojan-Ransom.MSIL.Encoder.gen
BitDefenderGen:Variant.Bulz.366169
NANO-AntivirusTrojan.Win32.Ransom.jjacmk
AvastWin32:MalwareX-gen [Trj]
TencentMsil.Trojan.Encoder.Egod
Ad-AwareGen:Variant.Bulz.366169
EmsisoftGen:Variant.Bulz.366169 (B)
F-SecureTrojan.TR/FileCoder.usiny
ZillyaTrojan.Filecoder.Win32.21169
TrendMicroRansom.MSIL.CRYPTOLOCKER.SM.hp
McAfee-GW-EditionRDN/Generic.grp
FireEyeGen:Variant.Bulz.366169
SophosMal/Generic-S
SentinelOneStatic AI – Suspicious PE
GDataGen:Variant.Bulz.366169
JiangminTrojan.MSIL.alprv
AviraTR/FileCoder.usiny
MAXmalware (ai score=83)
ArcabitTrojan.Bulz.D59659
ViRobotTrojan.Win32.Z.Evilnominatus.17920
MicrosoftRansom:MSIL/RozbehCrypt.PA!MTB
CynetMalicious (score: 99)
AhnLab-V3Trojan/Win.Generic.C4819756
McAfeeRDN/Generic.grp
VBA32TScope.Trojan.MSIL
MalwarebytesRansom.EvilNominatus
APEXMalicious
IkarusTrojan-Ransom.Evilnominatus
FortinetMSIL/Filecoder_EvilNominatus.A!tr.ransom
AVGWin32:MalwareX-gen [Trj]
PandaTrj/GdSda.A
CrowdStrikewin/malicious_confidence_60% (W)

How to remove Ransom:MSIL/RozbehCrypt.PA!MTB?

Ransom:MSIL/RozbehCrypt.PA!MTB malware is very hard to erase manually. It stores its data in a variety of places throughout the disk, and can restore itself from one of the parts. Additionally, a number of modifications in the windows registry, networking settings and also Group Policies are really hard to discover and return to the initial. It is better to use a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the best for malware elimination reasons.

Why GridinSoft Anti-Malware? It is very light-weight and has its detection databases updated just about every hour. In addition, it does not have such bugs and exploits as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for removing 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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