Categories: Trojan

Trojan.Heur.SFB.1qLaaq75Utiib malicious file

The Trojan.Heur.SFB.1qLaaq75Utiib 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.Heur.SFB.1qLaaq75Utiib virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • The binary contains an unknown PE section name indicative of packing
  • Executable file is packed/obfuscated with MPRESS
  • Authenticode signature is invalid
  • Queries information on disks, possibly for anti-virtualization
  • Uses IOCTL_SCSI_PASS_THROUGH control codes to manipulate drive/MBR which may be indicative of a bootkit
  • Attempted to write directly to a physical drive

How to determine Trojan.Heur.SFB.1qLaaq75Utiib?


File Info:

name: B4261192B9F1F91AE5E1.mlwpath: /opt/CAPEv2/storage/binaries/a3a93d1a727281559644a2f8c41c4a4b2875985401527e5f555734e23e5ce284crc32: AC8E94A4md5: b4261192b9f1f91ae5e15b462401aac9sha1: 272e37a307570fad7d0b1f756454d214dc589a47sha256: a3a93d1a727281559644a2f8c41c4a4b2875985401527e5f555734e23e5ce284sha512: 2e947d52deb019c8538c48964cd478bd1a001d3d64aeac3db099a3563cb2d865793612b8e40a9461d2a4a7de1e90a42e25db6600973c7c344d267999eb8c0005ssdeep: 6144:O5Zpi0nqrVPZ8I04TyQOI5JgpcvqNplcYoV8sbzu:OXU0q5BpRT0Iw5pjoV8s+type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A315122CE7B9205AFBF7DFF881A5071526636F540A6F614EB8C9303B9A7F90C099214Dsha3_384: a6c29151a00b7499c96abe8be95f402bed559cbb17569e1e0a9968c0e87cf68536755175a07e76ceef7f67066fca7028ep_bytes: 6801f04a00e801000000c3c3d8ca3532timestamp: 2012-04-16 14:47:18

Version Info:

Translation: 0x0409 0x04b0CompanyName: microsoftProductName: gnonFileVersion: 645.7847.7378ProductVersion: 645.7847.7378InternalName: gnnonOriginalFilename: gnnon.exe

Trojan.Heur.SFB.1qLaaq75Utiib also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Packed
MicroWorld-eScan Gen:Trojan.Heur.SFB.1qLaaq75Utiib
FireEye Generic.mg.b4261192b9f1f91a
ALYac Gen:Trojan.Heur.SFB.1qLaaq75Utiib
Malwarebytes Malware.Heuristic.1003
Sangfor ASP45
CrowdStrike win/malicious_confidence_100% (W)
K7GW Trojan ( 0052964f1 )
K7AntiVirus Trojan ( 0052964f1 )
BitDefenderTheta AI:Packer.69AAE0F421
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Bifrose.NTA
TrendMicro-HouseCall TROJ_GEN.R03BC0WDP22
ClamAV Win.Trojan.Manbat-6915735-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Trojan.Heur.SFB.1qLaaq75Utiib
Avast Win32:Malware-gen
Ad-Aware Gen:Trojan.Heur.SFB.1qLaaq75Utiib
Emsisoft Gen:Trojan.Heur.SFB.1qLaaq75Utiib (B)
Comodo Heur.Packed.MultiPacked@1z141z3
F-Secure Trojan.TR/Crypt.XPACK.Gen
TrendMicro TROJ_GEN.R03BC0WDP22
McAfee-GW-Edition BehavesLike.Win32.Corrupt.ct
Sophos Mal/Generic-R
Ikarus Virus.Win32.VBInject
GData Gen:Trojan.Heur.SFB.1qLaaq75Utiib
Avira TR/Crypt.XPACK.Gen
MAX malware (ai score=80)
Antiy-AVL Trojan/Win32.Nvert
Arcabit Trojan.Heur.SFB.1qLaaq75Utiib
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.Generic.C4153165
McAfee Artemis!B4261192B9F1
VBA32 Trojan.Refroso
Cylance Unsafe
APEX Malicious
Rising Trojan.Generic@AI.99 (RDMK:cmRtazq+NDN9qsmb/zs+f+uQ3XFY)
Yandex Trojan.GenAsa!8YkDUYaTNzc
SentinelOne Static AI – Malicious PE
Fortinet W32/Refroso.DZP!tr
AVG Win32:Malware-gen
Panda Generic Malware

How to remove Trojan.Heur.SFB.1qLaaq75Utiib?

  • 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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