Categories: Ransom

Should I remove “Ransom.StopcryptPMF.S28243631”?

The Ransom.StopcryptPMF.S28243631 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.StopcryptPMF.S28243631 virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Kannada
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Injection (Process Hollowing)
  • Behavioural detection: Injection (inter-process)
  • CAPE detected the Tofsee malware family
  • Deletes executed files from disk
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Ransom.StopcryptPMF.S28243631?


File Info:

name: 9919371A959D81C1695C.mlwpath: /opt/CAPEv2/storage/binaries/fec1647fcd1e56dbde4d472531b16c50d3bd1881f0175ba691e4a09e904ac02ccrc32: 8FAA5179md5: 9919371a959d81c1695c843a7f4bf842sha1: 994ee0129493a1ec1583b38b7ff80365ea19bff8sha256: fec1647fcd1e56dbde4d472531b16c50d3bd1881f0175ba691e4a09e904ac02csha512: b1f99615b9f2608f896a0a33d46a6c1f9288add7bbd4fa2abb1dffbfb6241c21038cfd34d3d7d8b665bd8252ba73e74f2ef948113bea7d42af80e33869870994ssdeep: 98304:hkuCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCD:qtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1D3D65C006FF51549E2F746349A6B5FAA163BF9A3FB34634E0244DA0F3D623A09D92713sha3_384: 0c92c51d9c70182dc99d26df8e0323fb5c779c8014ac5356d786089ff0e8f37570abdce83aba1e9659b116bd9b6bd5bbep_bytes: e802570000e989feffff8bff558bec51timestamp: 2021-11-15 15:49:41

Version Info:

FileVersions: 77.26.2.32Copyrighz: Copyright (C) 2022, pozkarteProjectVersion: 2.82.72.11

Ransom.StopcryptPMF.S28243631 also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Gen:Heur.Mint.Titirez.@tW@ujE1LIo
ClamAV Win.Packed.Dropperx-9951802-0
FireEye Generic.mg.9919371a959d81c1
CAT-QuickHeal Ransom.StopcryptPMF.S28243631
McAfee Packed-GDD!9919371A959D
Cylance Unsafe
VIPRE Gen:Heur.Mint.Titirez.@tW@ujE1LIo
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005947301 )
K7GW Trojan ( 005947301 )
CrowdStrike win/malicious_confidence_100% (W)
Cyren W32/Kryptik.GSB.gen!Eldorado
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Kryptik.HPVN
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Backdoor.Win32.Tofsee.gen
BitDefender Gen:Heur.Mint.Titirez.@tW@ujE1LIo
NANO-Antivirus Trojan.Win32.Tofsee.jphxef
Avast Win32:Evo-gen [Trj]
Tencent Backdoor.Win32.Tofsee.zf
Ad-Aware Gen:Heur.Mint.Titirez.@tW@ujE1LIo
Emsisoft Gen:Heur.Mint.Titirez.@tW@ujE1LIo (B)
DrWeb Trojan.Siggen18.52437
Zillya Trojan.Kryptik.Win32.3900001
TrendMicro Mal_Tofsee
McAfee-GW-Edition Packed-GDD!9919371A959D
Trapmine malicious.moderate.ml.score
Sophos Mal/Generic-R + Mal/Agent-AWV
SentinelOne Static AI – Malicious PE
GData Win32.Trojan.PSE.1DWFSVG
Jiangmin Backdoor.Tofsee.ftl
Avira TR/Dropper.Gen
MAX malware (ai score=89)
Antiy-AVL Trojan/Generic.ASMalwS.769
Arcabit Trojan.Mint.Titirez.E5C325
ZoneAlarm HEUR:Backdoor.Win32.Tofsee.gen
Microsoft Trojan:Win32/Raccoon.RB!MTB
Google Detected
AhnLab-V3 Trojan/Win.Raccrypt.R498133
Acronis suspicious
ALYac Gen:Heur.Mint.Titirez.@tW@ujE1LIo
VBA32 Malware-Cryptor.InstallCore.6
Malwarebytes Trojan.MalPack.GS
TrendMicro-HouseCall Mal_Tofsee
Rising Backdoor.Tofsee!8.1E9 (TFE:5:jtwHmnQGPdB)
Yandex Trojan.Kryptik!Jc6So8dTdXQ
Ikarus Trojan.Win32.Crypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/PACKED.GDD!tr
AVG Win32:Evo-gen [Trj]
Cybereason malicious.29493a
Panda Trj/GdSda.A

How to remove Ransom.StopcryptPMF.S28243631?

  • 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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