About “Ransom:Win32/StopCrypt.SF!MTB” infection

The Ransom:Win32/StopCrypt.SF!MTB is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

What Ransom:Win32/StopCrypt.SF!MTB virus can do?

• 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
• 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
• Unconventionial language used in binary resources: Georgian
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (Process Hollowing)
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• CAPE detected the Tofsee malware family
• Deletes executed files from disk
• Attempts to interact with an Alternate Data Stream (ADS)
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

How to determine Ransom:Win32/StopCrypt.SF!MTB?

File Info:
name: 7E7E4DC4643825C59181.mlwpath: /opt/CAPEv2/storage/binaries/394343e162cde20e8453fcdd5e3ce14ac0b6893a25fe4f7d23e6f3d10a2f925ecrc32: 53B74222md5: 7e7e4dc4643825c59181445d03c63c27sha1: b44bb464a1ecb92b8f9b87bdc110054c4b0d3968sha256: 394343e162cde20e8453fcdd5e3ce14ac0b6893a25fe4f7d23e6f3d10a2f925esha512: 7a866bda2001b039918728727eb79946f41a85e05de4b562747c6b93880cc57faa669fa131e3aab974f95769d959b2fb7cde2b22990c6aa42de01cf4855128afssdeep: 3072:8jRqKNFWoqlNrDW65LawqY1rvylE6FlKzGrRu542Pv:Cq9N3tJ1rvKE6/SGrR12type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1CDB63A3386B64425D2F5F63E729E3B60CFBD98BA83E4A6F6D21004D4853265B50ED84Fsha3_384: bc2f79cde4e93fb265d388bfa139e95edd663f600489c0e0670dc659fb62972d47e65422271a0b57cfdf2531869dbe67ep_bytes: e89a3e0000e978feffff8bff558bec83timestamp: 2021-11-13 04:44:46
Version Info:
FileVersions: 9.1.9.3Copyright: Copyright (C) 2022, somoklosProjectVersion: 74.35.66.25

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

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

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.