Ransom:Win32/StopCrypt.SLM!MTB

Written by Robert Bailey
Spectating the Ransom:Win32/StopCrypt.SLM!MTB malware detection usually means that your system is in big danger. This virus can correctly be named as ransomware – virus which encrypts 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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Ransom:Win32/StopCrypt.SLM!MTB detection is a virus detection you can spectate in your computer. It usually shows up after the provoking procedures on your PC – opening the suspicious email messages, clicking the advertisement in the Web or setting up the program from dubious resources. From the instance it appears, you have a short time to do something about it before it starts its malicious activity. And be sure – it is far better not to await these harmful things.

What is Ransom:Win32/StopCrypt.SLM!MTB virus?

Ransom:Win32/StopCrypt.SLM!MTB is ransomware-type malware. It searches for the documents on your disks, encrypts it, and after that 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 reading the removal guides or downloading the anti-malware program. In rare cases, Ransom:Win32/StopCrypt.SLM!MTB can also prevent the setup of anti-malware programs.

Ransom:Win32/StopCrypt.SLM!MTB Summary

In summary, Ransom:Win32/StopCrypt.SLM!MTB malware activities in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Sample contains Overlay data;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Presents an Authenticode digital signature;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • Enumerates the modules from a process (may be used to locate base addresses in process injection);
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Kannada;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • CAPE detected the RedLine malware family;
  • Anomalous binary characteristics;
  • Ciphering the files located on the target’s drive — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a major problem for the last 4 years. It is challenging to realize a more hazardous virus for both individual users and businesses. The algorithms utilized in Ransom:Win32/StopCrypt.SLM!MTB (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these horrible things without delay – it can take up to a few hours to cipher all of your files. Therefore, seeing the Ransom:Win32/StopCrypt.SLM!MTB detection is a clear signal that you should start the clearing procedure.

Where did I get the Ransom:Win32/StopCrypt.SLM!MTB?

Standard tactics of Ransom:Win32/StopCrypt.SLM!MTB spreading are standard for all other ransomware examples. Those are one-day landing sites where victims are offered to download and install the free app, so-called bait e-mails and hacktools. Bait e-mails are a quite modern strategy in malware spreading – you receive the e-mail that mimics some routine notifications about shippings or bank service conditions updates. Within the email, there is a corrupted MS Office file, or a 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 quite simple, however, still requires tons of focus. Malware can hide in various places, and it is much better to prevent it even before it gets into your system than to trust in an anti-malware program. Common cybersecurity awareness is just an important thing in the modern-day world, even if your interaction with a PC stays on YouTube videos. That may save you a lot of time and money which you would certainly spend while looking for a solution.

Ransom:Win32/StopCrypt.SLM!MTB malware technical details

File Info:

name: 88A03F938C7464787028.mlw
path: /opt/CAPEv2/storage/binaries/558c47587989f6be610a7179f1b201bb00c0ddb5f7a98090fc262ef973fe3de7
crc32: 7FEFC726
md5: 88a03f938c746478702897c4be767827
sha1: daafb5a34b7fc66f276be926919b89b70b0933d1
sha256: 558c47587989f6be610a7179f1b201bb00c0ddb5f7a98090fc262ef973fe3de7
sha512: 635f78e8f81503bc94093ec8a4de2ac96fbc80087bab688a6790a010805578111c35347ad4be3739462caee2da58cf068b6455fe59358d87a1a1d42fd8d36239
ssdeep: 6144:NxnmKKwh77J+L77wrkkA4slcSlBfv5xccKn+pDgxhNt5aSrwVfjN:Nxn+7QkkfmcSD35xcd+90hdaSA
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T13284E03172A0D871E4A6163088758FB12B7EFDA25974514737643B1EAEB33C06A7932F
sha3_384: 4fd42fdd6265b44e4eca7d7013be790e6c20e557bd6ab4eec4b7af9c96dbc8ceb16e7fb054e62de772205d9339885700
ep_bytes: e897510000e989feffffcccccccccccc
timestamp: 2021-07-15 09:29:11

Version Info:

FileVersions: 48.90.13.84
Copyrighz: Copyright (C) 2022, pozkarte
ProjectVersion: 94.4.7.88

Ransom:Win32/StopCrypt.SLM!MTB also known as:

BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
ClamAVWin.Dropper.Tofsee-9957066-0
CylanceUnsafe
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 00593a201 )
K7GWTrojan ( 00593a201 )
Cybereasonmalicious.34b7fc
CyrenW32/Kryptik.GVX.gen!Eldorado
SymantecML.Attribute.HighConfidence
tehtrisGeneric.Malware
APEXMalicious
CynetMalicious (score: 100)
KasperskyVHO:Trojan-PSW.Win32.Reline.gen
RisingMalware.Obscure/Heur!1.A89F (CLASSIC)
F-SecureHeuristic.HEUR/AGEN.1249898
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.88a03f938c746478
SophosML/PE-A + Mal/Agent-AWV
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1249898
MicrosoftRansom:Win32/StopCrypt.SLM!MTB
MalwarebytesTrojan.MalPack.GS
TencentTrojan-ransom.Win32.Stop.16000284
IkarusTrojan.Bulta
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/GenericKDZ.0A77!tr
AVGPWSX-gen [Trj]
AvastPWSX-gen [Trj]
CrowdStrikewin/malicious_confidence_60% (D)

How to remove Ransom:Win32/StopCrypt.SLM!MTB?

Ransom:Win32/StopCrypt.SLM!MTB malware is extremely hard to eliminate manually. It places its documents in several locations throughout the disk, and can recover itself from one of the parts. Moreover, a range of alterations in the registry, networking configurations and also Group Policies are quite hard to find and revert to the initial. It is far better to utilize a special tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus removal goals.

Why GridinSoft Anti-Malware? It is very lightweight and has its databases updated practically every hour. Furthermore, it does not have such bugs and weakness as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for removing malware of any type.

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

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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