Malware

Strictor.271139 (B) removal instruction

Malware Removal

The Strictor.271139 (B) 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 Strictor.271139 (B) virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Anomalous file deletion behavior detected (10+)
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • HTTPS urls from behavior.
  • Enumerates running processes
  • Drops a binary and executes it
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is likely packed with VMProtect
  • Authenticode signature is invalid
  • Tries to suspend Cuckoo threads to prevent logging of malicious activity
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Created a process from a suspicious location
  • Network activity contains more than one unique useragent.
  • Attempts to modify proxy settings
  • Harvests cookies for information gathering

How to determine Strictor.271139 (B)?


File Info:

name: FD05D64431637A61FABD.mlw
path: /opt/CAPEv2/storage/binaries/97d56511acc91dbfec9c10a86155dc8a2cebd391718e58f2e2aee3f2307e1b45
crc32: D1ED6B39
md5: fd05d64431637a61fabde6b42a3bb365
sha1: 4945aee9a5802e4454d98c62233d8963df10f52b
sha256: 97d56511acc91dbfec9c10a86155dc8a2cebd391718e58f2e2aee3f2307e1b45
sha512: a679d1b6fed8b3554df9d96f002536f04d283eec66c8ab74b4720f9e84760f141a8033d4fbc32224984736391023d79498cc87290063a04c2750c062202feb51
ssdeep: 196608:RVl95jsXHe+NjSttXRcCFPd3rA6Ls0q+n:RVl95jUe8ERzFlE6Lxq
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T16E66337726540281D1E3C9319A37BEC5F2F6025F4642E8B8A9DABDC13C178F5E61A9C3
sha3_384: 8479905f792892c9d7cfe24a4caa58994cc0cb7e2349092c903792b2fe959907c8f0618ff05ab021a051dc7a43b5e777
ep_bytes: 68a9a2e9b7e812114900f7d2c1ca02e9
timestamp: 2019-08-25 13:02:36

Version Info:

Comments: yuuxia@gmail.com
CompanyName: 1234rxjh.COM
FileDescription: 热血江湖
FileVersion: 2, 1, 7, 0
InternalName: 热血江湖
LegalCopyright: Copy Right (C) RXJH2 2008-2020
LegalTrademarks: 热血江湖
OriginalFilename: 热血江湖.EXE
PrivateBuild: yuuxia@gmail.com
ProductName: 热血江湖
ProductVersion: 2, 1, 7, 0
SpecialBuild: yuuxia@gmail.com
Translation: 0x0804 0x04b0

Strictor.271139 (B) also known as:

BkavW32.AIDetect.malware2
tehtrisGeneric.Malware
MicroWorld-eScanGen:Variant.Strictor.271139
FireEyeGeneric.mg.fd05d64431637a61
McAfeeArtemis!FD05D6443163
CylanceUnsafe
Cybereasonmalicious.9a5802
BitDefenderThetaGen:NN.ZexaF.34742.@B0@auUjTJaj
Elasticmalicious (high confidence)
KasperskyUDS:Trojan-Downloader.Win32.Agent.gen
BitDefenderGen:Variant.Strictor.271139
AvastWin32:Malware-gen
RisingTrojan.Generic@AI.100 (RDML:C7e2ll9VHquqWm0FcNQxug)
Ad-AwareGen:Variant.Strictor.271139
SophosGeneric ML PUA (PUA)
McAfee-GW-EditionBehavesLike.Win32.Generic.vc
SentinelOneStatic AI – Malicious PE
EmsisoftGen:Variant.Strictor.271139 (B)
GDataGen:Variant.Strictor.271139
ArcabitTrojan.Strictor.D42323
MicrosoftTrojan:Win32/Wacatac.B!ml
CynetMalicious (score: 100)
AhnLab-V3Malware/Win.Malware-gen.R479814
ALYacGen:Variant.Strictor.271139
MalwarebytesMalware.AI.1672654389
APEXMalicious
MAXmalware (ai score=83)
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/PossibleThreat
AVGWin32:Malware-gen
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_60% (W)

How to remove Strictor.271139 (B)?

Strictor.271139 (B) removal tool
  • 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.

About the author

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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