Categories: Ransom

About “Ransom:Win32/CruelSister!MSR” infection

The Ransom:Win32/CruelSister!MSR 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/CruelSister!MSR virus can do?

  • A process created a hidden window
  • Uses Windows utilities for basic functionality
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Ransom:Win32/CruelSister!MSR?


File Info:

crc32: E1FEE7FDmd5: 748b61626e0015845bd7434ca03f27faname: 748B61626E0015845BD7434CA03F27FA.mlwsha1: f4a54594ff0789f2ba8670f19c1f4dfd6759aa08sha256: ede55d924a00a0d21f2253f6b0ce2be5fefac6262fd9a736f347e2467500725bsha512: 4392e13d57a9f7624644515f6daf016e151fabe9ec2aa2cff1d7a979d313aabb24ea6b952eaba69400b35acd383d7ef13e2e60fd9c22657dfeda0a9bac4f9432ssdeep: 1536:c7fPGykbOqjoHm4pICdfkLtAfupcWX50MxFY+yIOlnToIf1xWJS2iFuajjgCGb9M:yq6+ouCpk2mpcWJ0r+QNTBf1hFxgCGatype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/CruelSister!MSR also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Riskware ( 0040eff71 )
Lionic Trojan.Win32.Tiny.trFe
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.31526
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Filecoder
Cylance Unsafe
Zillya Tool.Lazagne.Win32.102
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:BAT/CruelSister.433f9075
K7GW Riskware ( 0040eff71 )
Cybereason malicious.26e001
Symantec Downloader
ESET-NOD32 BAT/Filecoder.DG
Zoner Trojan.Win32.85523
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky Trojan-Ransom.Win32.Encoder.ids
BitDefender Trojan.GenericKD.33656853
MicroWorld-eScan Trojan.GenericKD.33656853
Tencent Win32.Trojan.Encoder.Ahex
Ad-Aware Trojan.GenericKD.33656853
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Trojan.dt
FireEye Generic.mg.748b61626e001584
Emsisoft Trojan.GenericKD.33656853 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.PowerShell.bj
Webroot W32.Trojan.Gen
eGambit Unsafe.AI_Score_98%
Antiy-AVL Trojan/Generic.ASMalwS.2B9EB3B
Microsoft Ransom:Win32/CruelSister!MSR
Arcabit Trojan.Generic.D2019015
ZoneAlarm Trojan-Ransom.Win32.Encoder.ids
GData Trojan.GenericKD.33656853
AhnLab-V3 Malware/Win32.Generic.C4083229
McAfee Artemis!748B61626E00
MAX malware (ai score=100)
Malwarebytes Ransom.Cruel
Panda Trj/CI.A
Rising Trojan.Generic@ML.100 (RDMK:mFW4MRtVW4YcS1jo5CBWpw)
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Win.MxResIcn.Heur.Gen
Fortinet W32/Filecoder.DG!tr.ransom
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Encoder.HwUBEpsA

How to remove Ransom:Win32/CruelSister!MSR?

  • 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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