Categories: SpyTrojan

Trojan-Spy.Win32.Stealer.aosi removal

The Trojan-Spy.Win32.Stealer.aosi 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 Trojan-Spy.Win32.Stealer.aosi virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • CAPE detected the RedLine malware family
  • Checks the version of Bios, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a registry key
  • Anomalous binary characteristics
  • Binary compilation timestomping detected

How to determine Trojan-Spy.Win32.Stealer.aosi?


File Info:

name: 38905B87A75C49E91591.mlwpath: /opt/CAPEv2/storage/binaries/3670a1a3f9b98f218f97ee02e83c32a2b8a93d72bade66618091ee7006e8a751crc32: F9A3677Dmd5: 38905b87a75c49e915918fbd8312e06dsha1: fc586b073020fb819460694072f20afd0e46fc41sha256: 3670a1a3f9b98f218f97ee02e83c32a2b8a93d72bade66618091ee7006e8a751sha512: 973f3f43bad19c3a3fcc4ec2f7bc342056bb1515ef369534845a11114c13a0bf175103ddd83b1c95831c571edae863c030ebf594dc6a6aaef05f98605a9b8555ssdeep: 24576:zuEAGZqTXBTfR/8ZgW++zO4KlELMZ5uXhyRclWhWW9B75e6DkEaHNYK3wpehdzm:iE6T585Za4KlZOsRpWWPNaxdqtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12A6533F348C4FEBFC7FD89B5BA5B84085386C9B191508783EF2B9996EE6114E0B540C9sha3_384: a3ea0fc858cbd8920aa7f876f53c33c96cd497e40e058487794b5c1cea8f2633d1754931a96b41bba0f35ed9bf9bd9b8ep_bytes: 6801407700e801000000c3c38d050905timestamp: 2051-06-11 08:56:18

Version Info:

Comments: yaczALlnCompanyName: JBEQ9zujSFileDescription: XSA4cnFileVersion: 5,11,7,0InternalName: rVrFdfLegalCopyright: vqKSbfOriginalFilename: gSMhJXProductName: d6Z1VjOProductVersion: 5,11,7,0Assembly Version: 5,11,7,0Translation: 0x0000 0x04b0

Trojan-Spy.Win32.Stealer.aosi also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Stealer.l!c
Elastic malicious (high confidence)
DrWeb Trojan.Siggen16.557
MicroWorld-eScan Trojan.GenericKDZ.81332
FireEye Generic.mg.38905b87a75c49e9
McAfee GenericRXRA-NF!38905B87A75C
Cylance Unsafe
Sangfor Spyware.Win32.Stealer.gen
K7AntiVirus Trojan ( 0058b6db1 )
Alibaba TrojanSpy:Win32/Stealer.d5aadd81
K7GW Trojan ( 0058b6db1 )
Cybereason malicious.73020f
BitDefenderTheta Gen:NN.ZexaF.34114.zD1aaCLgUDh
Cyren W32/Stealer.S.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.Asprotect.KT
TrendMicro-HouseCall TROJ_GEN.R002C0WL721
Paloalto generic.ml
Kaspersky Trojan-Spy.Win32.Stealer.aosi
BitDefender Trojan.GenericKDZ.81332
Avast Win32:Trojan-gen
Ad-Aware Trojan.GenericKDZ.81332
Emsisoft Trojan.GenericKDZ.81332 (B)
Zillya Trojan.Stealer.Win32.20471
TrendMicro TROJ_GEN.R002C0WL721
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
Sophos Mal/Generic-S
Ikarus Trojan.Win32.ASProtect
GData Trojan.GenericKDZ.81332
Jiangmin TrojanSpy.Stealer.jxy
Avira TR/AD.RedLineSteal.gmupe
MAX malware (ai score=100)
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Gridinsoft Trojan.Heur!.032120A1
ViRobot Trojan.Win32.Z.Agent.1472512.PI
Microsoft Trojan:Win32/Sabsik!ml
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Generic.R456442
Acronis suspicious
VBA32 BScope.Trojan.Ekstak
ALYac Trojan.GenericKDZ.81332
Malwarebytes Trojan.MalPack
APEX Malicious
Yandex Trojan.GenAsa!l3ZfBja75G8
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.133255555.susgen
Fortinet W32/Agent.707A!tr
AVG Win32:Trojan-gen
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan-Spy.Win32.Stealer.aosi?

  • 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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