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.
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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 14:46:16Version 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 |
| 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.
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