Categories: Ransom

Should I remove “Ransom:Win32/StopCrypt.SK!MTB”?

The Ransom:Win32/StopCrypt.SK!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.

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day free trial available.

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

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • HTTPS urls from behavior.
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Behavioural detection: Injection (Process Hollowing)
  • Behavioural detection: Injection (inter-process)
  • Behavioural detection: Transacted Hollowing
  • CAPE detected the STOP malware family
  • Attempts to modify proxy settings
  • Creates a known STOP-Djvu ransomware decryption instruction / key file.
  • Creates a known STOP ransomware variant mutex
  • STOP ransomware command line behavior detected
  • Uses suspicious command line tools or Windows utilities

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


File Info:

name: 2005D79A17CCAD864225.mlwpath: /opt/CAPEv2/storage/binaries/8a31e620b013c17942f55c923c84a5f8c8640321da9386994e529901b858f2becrc32: A81C25CAmd5: 2005d79a17ccad864225bec01e397bcfsha1: ac86f93548c767db384f79f2610e133b36dcd613sha256: 8a31e620b013c17942f55c923c84a5f8c8640321da9386994e529901b858f2besha512: 17072273ae29dfc525bd25c4636c262c62c7f2c408822b756f97792a120cf05762bfdc802dc445e0d34288c4ae236909989db56cbee8ce184663dce84279d2e0ssdeep: 12288:MUAaODxPXTT4Ak1tJv8BdoCWHcj4/ykoxZjg5dYT+QMuntg7:M1xjBdRWkHxZM5dYMu2type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12AF412D132A0D13FC17AAA707822E2E665E13D12D1616A8737463F6E3F305902FFD696sha3_384: 25a3e40b72aff78871d746face51a8bacb2d451073ffb2d4637fc9596e7f2765a745ef399cf5edd76ec20f296ab56067ep_bytes: e8f4370000e978feffff8bff558bec83timestamp: 2021-04-03 14:46:16

Version Info:

Translations: 0x0179 0x00aa

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

Bkav W32.AIDetect.malware2
Lionic Heuristic.File.Generic.00×1!p
tehtris Generic.Malware
Cynet Malicious (score: 100)
McAfee Packed-GEE!2005D79A17CC
Malwarebytes Malware.AI.4164295558
Sangfor Trojan.Win32.Save.a
Cybereason malicious.548c76
Cyren W32/Kryptik.GNZ.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Kryptik.HQXW
APEX Malicious
Paloalto generic.ml
ClamAV Win.Packed.Botx-9971431-0
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Trojan.GenericKD.62313232
MicroWorld-eScan Trojan.GenericKD.62313232
Avast Win32:PWSX-gen [Trj]
Ad-Aware Trojan.GenericKD.62313232
Emsisoft Gen:Variant.Mikey.141332 (B)
TrendMicro Trojan.Win32.PRIVATELOADER.YXCIZZ
McAfee-GW-Edition BehavesLike.Win32.Generic.bc
Trapmine malicious.high.ml.score
FireEye Generic.mg.2005d79a17ccad86
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Azorult
Webroot W32.Packed.Heur
Antiy-AVL Trojan/Generic.ASCommon.2BA
Microsoft Ransom:Win32/StopCrypt.SK!MTB
ZoneAlarm UDS:DangerousObject.Multi.Generic
GData Win32.Trojan-Ransom.STOP.LQBZ3D
Google Detected
AhnLab-V3 Packed/Win.GEE.R522674
VBA32 BScope.Trojan.Yakes
MAX malware (ai score=99)
Cylance Unsafe
TrendMicro-HouseCall Trojan.Win32.PRIVATELOADER.YXCIZZ
Rising Backdoor.Androm!8.113 (TFE:5:GFbN9lp72GP)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Ursnif.BCED!tr
AVG Win32:PWSX-gen [Trj]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (W)

How to remove Ransom:Win32/StopCrypt.SK!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.
Paul Valéry

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

Recent Posts

MSIL/GenKryptik.GXIZ information

The MSIL/GenKryptik.GXIZ is considered dangerous by lots of security experts. When this infection is active,…

2 weeks ago

Malware.AI.2789448175 (file analysis)

The Malware.AI.2789448175 is considered dangerous by lots of security experts. When this infection is active,…

2 weeks ago

Jalapeno.1878 removal instruction

The Jalapeno.1878 is considered dangerous by lots of security experts. When this infection is active,…

2 weeks ago

What is “Trojan.Heur3.LPT.YmKfaKBcBekib”?

The Trojan.Heur3.LPT.YmKfaKBcBekib is considered dangerous by lots of security experts. When this infection is active,…

2 weeks ago

How to remove “Worm.Win32.Vobfus.exmt”?

The Worm.Win32.Vobfus.exmt is considered dangerous by lots of security experts. When this infection is active,…

2 weeks ago

About “TrojanDownloader:Win32/Beebone.JO” infection

The TrojanDownloader:Win32/Beebone.JO is considered dangerous by lots of security experts. When this infection is active,…

2 weeks ago