Ransom:Win32/StopCrypt.SAH!MTB (file analysis)

The Ransom:Win32/StopCrypt.SAH!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.

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What Ransom:Win32/StopCrypt.SAH!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
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• 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)
• Uses suspicious command line tools or Windows utilities
• Yara rule detections observed from a process memory dump/dropped files/CAPE

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

File Info:
name: C8F7BA591CA362100A48.mlw
path: /opt/CAPEv2/storage/binaries/5c3963103fae99064610b846020946eda5b34c1f3361cc11b41c8396836bc4eb
crc32: A32829C2
md5: c8f7ba591ca362100a48c1e267318f00
sha1: 0e923ab942d30b3ab53d448f06edf867c3c3def1
sha256: 5c3963103fae99064610b846020946eda5b34c1f3361cc11b41c8396836bc4eb
sha512: 9d09db8e7914a44b779692cbeed4db37a1f8e97aa94a7e489f5a407e205bc815ff17127cc429e410373ee6e986e665ea04911dce8db0eb5789a430d8bc4aad0a
ssdeep: 3072:L6ynLLNjXk006OuNf8DhownFVRjmbHMuubfE5Uq9hG02KJ:GKLLNDn062DFnFXK+fEuq9d2o
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T10154D0D17D91C072C90341B7D825CEE4AEBEBC6316A9899B3315377F2E307D2AB66205
sha3_384: 053695e57d9d679f376e46929105af4ac4e2ea163a6b5e47fabd27dd31220ea8fad97dbfb026852f5ab1b0100c3fca9c
ep_bytes: e8e6350000e979feffff2da403000074
timestamp: 2022-04-04 18:09:10

Version Info:
FilesVersion: 5.98.72.24
InternalNames: BlameProduction
ProductName: Hyper
Translation: 0x0400 0x043b

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

How to remove Ransom:Win32/StopCrypt.SAH!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.