Categories: Malware

Win32/FlyStudio.OQO removal tips

The Win32/FlyStudio.OQO 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 Win32/FlyStudio.OQO 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
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Created a process from a suspicious location
  • Behavior consistent with a dropper attempting to download the next stage.
  • Attempts to modify proxy settings
  • Creates a copy of itself
  • Anomalous binary characteristics

How to determine Win32/FlyStudio.OQO?


File Info:

name: 04F9F9265EBF716FB8D1.mlwpath: /opt/CAPEv2/storage/binaries/14096f9b01306019cb0f790402eab8be314a1332b6d9cdb0ccf35c56aed175b7crc32: DC058218md5: 04f9f9265ebf716fb8d155ea311d7e39sha1: a1d6b62a2e24d683cdd579a52cf1c862dc379bb0sha256: 14096f9b01306019cb0f790402eab8be314a1332b6d9cdb0ccf35c56aed175b7sha512: b7cd2ca42c0209d7525838324c6b01d783d6c7b4fe3eb5fcf25123f7f30f29fdb31812d6899338075527dfa4fda027707d96624786c0580cf3fb484d04636736ssdeep: 24576:tgbQ9+3D+NwPhe/z2d1PzKJT+cxaBhZuGlMdFbURZPNxgVkuu2ZUZpYQTtu:2M0z+NwJZd5cT+eoZuGlMfbiZ7wvQtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10645AE33B644F8CAE364207CF1B057603DF96A566C6C80DBAE915E293C7295B2E4770Esha3_384: fac7f0da0cf7d7d7a5e271dd095764df7ed056c6d13ba5639f0bd40de3b7389a10150ff0fae5c750dc1cf4cdbc9dfb2eep_bytes: f9eb0a2a3291832f935c8e027b60f873timestamp: 2022-05-06 12:25:03

Version Info:

FileVersion: 10.8.4.10FileDescription: picceeProductName: picceeProductVersion: 10.8.4.10CompanyName: picceeLegalCopyright: picceeComments: picceeTranslation: 0x0804 0x04b0

Win32/FlyStudio.OQO also known as:

Bkav W32.AIDetect.malware1
tehtris Generic.Malware
MicroWorld-eScan Trojan.GenericKD.39639359
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0040f54a1 )
Alibaba Backdoor:Win32/Poison.ec665ac6
K7GW Trojan ( 0040f54a1 )
Cybereason malicious.a2e24d
BitDefenderTheta Gen:NN.ZexaF.34666.mv1@am9Xu4eb
Cyren W32/A-8128ee96!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 Win32/FlyStudio.OQO
APEX Malicious
Paloalto generic.ml
ClamAV Win.Dropper.Tiggre-9845940-0
Kaspersky Backdoor.Win32.Poison.kbqa
BitDefender Trojan.GenericKD.39639359
NANO-Antivirus Virus.Win32.Agent.dvixmz
Avast Win32:Pasta [Cryp]
Rising Trojan.MalCert!1.D834 (CLOUD)
Ad-Aware Trojan.GenericKD.39639359
Emsisoft Trojan.GenericKD.39639359 (B)
Comodo Packed.Win32.Cryptcf.A@4pwi81
DrWeb Trojan.Rootkit.22125
McAfee-GW-Edition BehavesLike.Win32.Flyagent.tc
FireEye Generic.mg.04f9f9265ebf716f
Sophos Mal/Generic-S + W32/Pidgeon-A
Ikarus Trojan-GameThief.Win32.OnLineGames
GData Win32.Trojan-Spy.KrBanker.SX6W07
Jiangmin Trojan.Generic.dkxdk
Antiy-AVL Trojan[Banker]/Win32.BlackMoon.a
Kingsoft Win32.Hack.Poison.kb.(kcloud)
ZoneAlarm Backdoor.Win32.Poison.kbqa
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
McAfee Flyagent.d
MAX malware (ai score=87)
VBA32 BScope.Backdoor.Pasur
Malwarebytes Trojan.MalPack.FlyStudio
Zoner Probably Heur.ExeHeaderL
TrendMicro-HouseCall TROJ_GEN.R002C0PEB22
Tencent Win32.Backdoor.Poison.Hfl
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/CoinMiner.BELF!tr
AVG Win32:Pasta [Cryp]
CrowdStrike win/malicious_confidence_90% (W)

How to remove Win32/FlyStudio.OQO?

  • 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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