Categories: Malware

What is “Win32/Oberal.A”?

The Win32/Oberal.A 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/Oberal.A virus can do?

  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Drops a binary and executes it
  • Installs itself for autorun at Windows startup
  • Network activity detected but not expressed in API logs
  • Creates a copy of itself
  • Anomalous binary characteristics

How to determine Win32/Oberal.A?


File Info:

crc32: C813A478md5: 275e4352d859481b13df5a0de96e88c6name: 275E4352D859481B13DF5A0DE96E88C6.mlwsha1: ff16386d07f570f728fa1d53deb137637435502asha256: e71a3c75a76afeded1b717408e89ab4b47a943495bf60c48d328627f980c114bsha512: 825a34f3f39b6511a52977eeea83b55b50494bc4a010d044ef7202cfa172f38159a4bb1a739c8a869dec822d678458a7d14ba4b0353058b3479e32c2f5ef8db8ssdeep: 384:1LFxDqKi6cmZO2Zp+Nye8pqrmub8TyztsDN:1LHNi6oKK8o8TyJctype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Oberal.A also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKDZ.70400
FireEye Generic.mg.275e4352d859481b
CAT-QuickHeal Trojan.Mauvaise.SL1
McAfee QLowZones-43
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Small.4!c
Sangfor Win.Malware.Alkt-6915258-0
K7AntiVirus Trojan ( 005450941 )
BitDefender Trojan.GenericKDZ.70400
K7GW Trojan ( 005450941 )
Cybereason malicious.2d8594
BitDefenderTheta AI:Packer.49BDF6B71F
Cyren W32/SmallTrojan.CC.gen!Eldorado
Symantec Trojan Horse
ESET-NOD32 a variant of Win32/Oberal.A
APEX Malicious
Avast Win32:Small-MHA [Trj]
ClamAV Win.Malware.Razy-6804077-0
Kaspersky Trojan.Win32.Small.xxd
Alibaba TrojanSpy:Win32/Oberal.66d482e5
NANO-Antivirus Trojan.Win32.Small.cnwqmt
ViRobot Trojan.Win32.Small.17920.D
Rising Worm.Nuj!8.2AD (TFE:dGZlOgUAx2xBazeaWQ)
Ad-Aware Trojan.GenericKDZ.70400
Emsisoft Trojan.GenericKDZ.70400 (B)
Comodo TrojWare.Win32.Small.~AB@25rnf
F-Secure Trojan.TR/ATRAPS.Gen
DrWeb Trojan.LowZones.1019
Zillya Trojan.SmallGen.Win32.2
TrendMicro TROJ_GEN.R002C0CB221
McAfee-GW-Edition BehavesLike.Win32.QLowZones.lt
Sophos ML/PE-A + Troj/Small-EMT
Ikarus Trojan.Small
Jiangmin Trojan/Small.enf
Avira TR/ATRAPS.Gen
MAX malware (ai score=87)
Antiy-AVL Trojan/Win32.Small.xxd
Microsoft TrojanSpy:Win32/Small.M
Gridinsoft Trojan.Win32.Downloader.oa
Arcabit Trojan.Generic.D11300
SUPERAntiSpyware Trojan.Agent/Gen-Small
AhnLab-V3 Trojan/Win32.Agent.C57026
ZoneAlarm Trojan.Win32.Small.xxd
GData Trojan.GenericKDZ.70400
Cynet Malicious (score: 100)
Acronis suspicious
VBA32 BScope.Trojan.LowZones
ALYac Trojan.GenericKDZ.70400
TACHYON Trojan/W32.Small.17920.AD
Malwarebytes Generic.Trojan.Stealer.DDS
Panda Trj/Downloader.XIA
TrendMicro-HouseCall TROJ_GEN.R002C0CB221
Tencent Malware.Win32.Gencirc.10b3fdaa
Yandex Trojan.GenAsa!jQc6LKUI3HA
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Small.xxd
Fortinet W32/Oberal.A!tr
AVG Win32:Small-MHA [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/TrojanDownloader.Small.HxQBCPgA

How to remove Win32/Oberal.A?

  • 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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