Categories: Ransom

Ransom.StopCrypt removal

The Ransom.StopCrypt 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.StopCrypt virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • 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: Uzbek (Latin)
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • CAPE detected the RedLine malware family

How to determine Ransom.StopCrypt?


File Info:

name: B40A0A5B7F9CFC0A538E.mlwpath: /opt/CAPEv2/storage/binaries/4749984b7470603acf8fcfd8febefccf359fdd5dffe7443114267072e4569503crc32: 1C7D83FDmd5: b40a0a5b7f9cfc0a538ea46cf69d1ea7sha1: 34a3ec87d89dc92a7bd761a1fcc1a3e0fa392409sha256: 4749984b7470603acf8fcfd8febefccf359fdd5dffe7443114267072e4569503sha512: 7efa9e26585413e25a702f437966017f99fc41a3323ac045755ae804ad6337b376e373ecf32606fea0149f7a0207ea8a3cacfdcf922102dd36e2d06d2f8b3b36ssdeep: 12288:1ml2Y5QJCSYE8yqDjpH2HhuxsYbRQ9aT:cT9G8DOhue6type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T13194BF40B7A0D03DF5B711F4B975D2A8693ABDA16B3052CB22C63ADE56346E1ECB4307sha3_384: f4a0a3788b7299feb1afa9ccbe7b212cbe78341cd9d57edd56b63488bc84041abb92cb0481d2eb0d46594d7b02e63531ep_bytes: 8bff558bece8663f0000e8110000005dtimestamp: 2020-12-31 20:12:00

Version Info:

Translations: 0x0798 0x02be

Ransom.StopCrypt also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
CAT-QuickHeal Ransom.Stop.P5
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Cybereason malicious.7d89dc
Cyren W32/Kryptik.GKO.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ClamAV Win.Packed.Botx-9946537-0
Kaspersky VHO:Trojan-Spy.Win32.Convagent.gen
Avast PWSX-gen [Trj]
Emsisoft Trojan.Crypt (A)
McAfee-GW-Edition BehavesLike.Win32.Trickbot.gc
FireEye Generic.mg.b40a0a5b7f9cfc0a
Sophos ML/PE-A + Troj/Krypt-FV
Ikarus Trojan-Ransom.StopCrypt
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
Malwarebytes Ransom.StopCrypt
APEX Malicious
Rising Trojan.Generic@AI.95 (RDMK:cmRtazr1L50ok1CYfKBLpWYyVv2l)
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.HEDU!tr
AVG PWSX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (W)

How to remove Ransom.StopCrypt?

  • 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.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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