What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Ransom:Win32/CryptLockr.PB!MTB malware detection means that your system is in big danger. This malware can correctly be identified as ransomware – sort of malware which ciphers your files and asks you to pay for their decryption. Removing it requires some unusual steps that must be done as soon as possible.
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Ransom:Win32/CryptLockr.PB!MTB detection is a malware detection you can spectate in your system. It usually shows up after the preliminary procedures on your computer – opening the dubious email messages, clicking the advertisement in the Web or mounting the program from dubious sources. From the moment it shows up, you have a short time to take action before it starts its harmful activity. And be sure – it is far better not to wait for these malicious things.

What is Ransom:Win32/CryptLockr.PB!MTB virus?

Ransom:Win32/CryptLockr.PB!MTB is ransomware-type malware. It searches for the documents on your computer, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware also does a lot of damage to your system. It modifies the networking settings in order to stop you from checking out the removal manuals or downloading the antivirus. Sometimes, Ransom:Win32/CryptLockr.PB!MTB can even block the launching of anti-malware programs.

Ransom:Win32/CryptLockr.PB!MTB Summary

Summarizingly, Ransom:Win32/CryptLockr.PB!MTB malware activities in the infected system are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution;
  • Sample contains Overlay data;
  • CAPE extracted potentially suspicious content;
  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Appears to use command line obfuscation;
  • Deletes executed files from disk;
  • Attempts to execute suspicious powershell command arguments;
  • A powershell command using multiple variables was executed possibly indicative of obfuscation;
  • Creates a known Syrk ransomware decryption instruction / key file.;
  • Uses cipher.exe to wipe the free space, as seen in some ransomware;
  • Encrypting the documents located on the target’s drive — so the victim cannot use these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has been a horror story for the last 4 years. It is challenging to imagine a more harmful malware for both individuals and organizations. The algorithms utilized in Ransom:Win32/CryptLockr.PB!MTB (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 already exists, and possibly will exist. However, that virus does not do all these terrible things immediately – it can take up to several hours to cipher all of your files. Hence, seeing the Ransom:Win32/CryptLockr.PB!MTB detection is a clear signal that you must begin the elimination procedure.

Where did I get the Ransom:Win32/CryptLockr.PB!MTB?

General methods of Ransom:Win32/CryptLockr.PB!MTB distribution are standard 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 emails are a quite modern tactic in malware spreading – you receive the e-mail that imitates some regular notifications about shipments or bank service conditions updates. Inside of the e-mail, 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.

Avoiding it looks fairly uncomplicated, but still needs a lot of attention. Malware can hide in various spots, and it is far better to prevent it even before it goes into your PC than to rely on an anti-malware program. General cybersecurity knowledge is just an essential thing in the modern world, even if your relationship with a computer remains on YouTube videos. That may keep you a great deal of time and money which you would certainly spend while seeking a fix guide.

Ransom:Win32/CryptLockr.PB!MTB malware technical details

File Info:

name: CE60DE91977524C136D5.mlw
path: /opt/CAPEv2/storage/binaries/a061a2e00768601d2a5f97d950e5b56891f29801dc2d52141166f3c992315ec2
crc32: 36653DE4
md5: ce60de91977524c136d5d5c19d56ed7a
sha1: 9e4504a50019ff194896747e1acd941cd1dc59b1
sha256: a061a2e00768601d2a5f97d950e5b56891f29801dc2d52141166f3c992315ec2
sha512: ef4fa516f4304163005361bfa6297ae4b6dc51620a62ee45d146589d73cb6121a473a2eb4b8ac5113d3401a56c44f8dee41ee23e908796943369954ae6328f08
ssdeep: 6144:qSA+CxES9XIY08tBwQ28uV07ATSdGRJYD8LPYkbBvkcsQ4xuEE72lxbt:qSrdqYA3cmeThvoCC
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T108742A54F642FFF1E44A87BD14F2230A52EEA284EB1DF6373944FD68064AA7C12B3945
sha3_384: 97b42936c854f0fab7a07de82f4a6a242e3be462e5207ad3a4119b9baafb736251b2e197008922503cae6f87941a3846
ep_bytes: 83ec0cc70598d3400000000000e8ee01
timestamp: 2019-09-06 16:14:58

Version Info:

0: [No Data]

Ransom:Win32/CryptLockr.PB!MTB also known as:

Elasticmalicious (high confidence)
ESET-NOD32a variant of PowerShell/Filecoder.P
SophosGeneric ML PUA (PUA)
EmsisoftDeepScan:Generic.Ransom.PWS.Locker.13270C8B (B)
SentinelOneStatic AI – Suspicious PE
MAXmalware (ai score=81)
CynetMalicious (score: 100)
RisingTrojan.Filecoder!8.68 (RDMK:cmRtazo6pBG1CvXgjml+dxlPpsuQ)
CrowdStrikewin/malicious_confidence_90% (W)

How to remove Ransom:Win32/CryptLockr.PB!MTB?

Ransom:Win32/CryptLockr.PB!MTB malware is very hard to erase manually. It places its documents in multiple places throughout the disk, and can recover itself from one of the parts. Furthermore, numerous modifications in the registry, networking setups and Group Policies are pretty hard to locate and revert to the original. It is better to make use of a special program – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware elimination objectives.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its databases updated practically every hour. Additionally, it does not have such problems and exposures as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for clearing away 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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