Categories: Ransom

How to remove “Ransom.StopCiR”?

The Ransom.StopCiR 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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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.
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What Ransom.StopCiR 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
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Detects Sandboxie through the presence of a library
  • Detects Avast Antivirus through the presence of a library
  • Behavioural detection: Injection (inter-process)
  • Created a process from a suspicious location
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization

How to determine Ransom.StopCiR?


File Info:

name: 4BF8CCA281EAD5EE814D.mlwpath: /opt/CAPEv2/storage/binaries/b2e2b3756e1e8506d37bf855754c3e240672de8e7757cebce39cc6c516097588crc32: 6E576C50md5: 4bf8cca281ead5ee814dd1edf9a41a48sha1: a4b6a5e11fe789eee4501e2ef12a49d486a956fasha256: b2e2b3756e1e8506d37bf855754c3e240672de8e7757cebce39cc6c516097588sha512: 9d9fd32bec6083a52e72fa620cc313cc17415bc14adc1dcf1cf9d1f50af84dacb1ca82193702fc4460458f078185f07110e54acede320c2a2baef636a03b7766ssdeep: 3072:xZzS1nWU8Oa+2CZwxIyoTxU/KDDN8hsJVggjcGkNIVqIbM/h3:x1S5W6nyxIyoiYJvr7ITsq0type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T193549CE176E0D832D4913A30B865BEE45E7EFC01D964954A32B83BAE7F722C0562531Fsha3_384: d577b7f1153ee8f67f9ef6297226a7e3add195da038cc4adfc967567a3b14263c26a36659b085ac98c0c87db689b4d58ep_bytes: e8b6460000e978feffffcccce8370000timestamp: 2021-01-09 16:06:38

Version Info:

InternationalName: bomgvioci.iwaCopyright: Copyrighz (C) 2021, fudkortProjectVersion: 3.14.72.77Translation: 0x0129 0x07bc

Ransom.StopCiR also known as:

Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.Stealer.trWw
Elastic malicious (high confidence)
DrWeb Trojan.Siggen16.25878
MicroWorld-eScan Trojan.GenericKD.47823976
FireEye Generic.mg.4bf8cca281ead5ee
CAT-QuickHeal Ransom.StopCiR
ALYac Trojan.GenericKD.47823976
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Riskware ( 00584baa1 )
Alibaba Trojan:Win32/Tnega.cb548f94
K7GW Riskware ( 00584baa1 )
Cybereason malicious.11fe78
BitDefenderTheta Gen:NN.ZexaF.34114.suW@a8Z8vajK
Cyren W32/Kryptik.FWV.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HNWX
TrendMicro-HouseCall Trojan.Win32.SMOKELOADER.YXCAEZ
Paloalto generic.ml
ClamAV Win.Dropper.Tofsee-9919472-0
Kaspersky HEUR:Trojan-Ransom.Win32.Stop.gen
BitDefender Trojan.GenericKD.47823976
Avast Win32:CrypterX-gen [Trj]
Tencent Win32.Trojan.Stop.Phqu
Ad-Aware Trojan.GenericKD.47823976
Emsisoft Trojan.GenericKD.47823976 (B)
TrendMicro Trojan.Win32.SMOKELOADER.YXCAEZ
McAfee-GW-Edition BehavesLike.Win32.Packed.dm
Sophos Mal/Generic-S + Mal/Agent-AWV
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Agent.dtwq
MaxSecure Trojan.Malware.300983.susgen
Avira TR/AD.MalwareCrypter.nbehe
MAX malware (ai score=81)
Antiy-AVL Trojan/Generic.ASMalwS.3500FD4
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Tnega.SS!MTB
ViRobot Trojan.Win32.Z.Agent.301568.ZK
GData Trojan.GenericKD.47823976
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.MalPE.R462658
Acronis suspicious
McAfee Packed-GEE!4BF8CCA281EA
TACHYON Ransom/W32.Stop.301568.D
VBA32 BScope.TrojanSpy.Convagent
Malwarebytes Trojan.MalPack
APEX Malicious
Rising Ransom.Stop!8.10810 (CLOUD)
Yandex Trojan.GenKryptik!ITgXOSK0W9A
Ikarus Trojan.Win32.Krypt
Fortinet W32/GenKryptik.ERHN!tr
Webroot W32.Trojan.Gen
AVG Win32:CrypterX-gen [Trj]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_100% (W)

How to remove Ransom.StopCiR?

  • 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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Paul Valéry

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