Categories: Malware

About “Win32/Agent.UBJ” infection

The Win32/Agent.UBJ 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/Agent.UBJ virus can do?

  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • CAPE detected the ActionRAT malware family

How to determine Win32/Agent.UBJ?


File Info:

name: FDB0F288C4B387AC7EA4.mlwpath: /opt/CAPEv2/storage/binaries/33533dadcc92631727eaf4bfb9df640fd29aa68f6914aafe12597ef3404d0082crc32: 4974EF84md5: fdb0f288c4b387ac7ea47471473da35csha1: 2c7089cd2c257c411a4f4f2cfd843c67825ea392sha256: 33533dadcc92631727eaf4bfb9df640fd29aa68f6914aafe12597ef3404d0082sha512: 2b817e9d6f514709dbb3fba1984c110fb49ea71c65c923c12a2054d5177091027ef6b14fd5d1f9bcbde5081d5719c9f4aa6f313e40cc435eed495d2cf97e6fbfssdeep: 24576:Gykr8019L034Lq/E8+t2c2U3/AugQVKg+5qIhE4ZJe7RuzxulzWhUqWPGoC:KnPE29+5qIhE4aBujWPGtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T117852A167288A13FE07A0B3B4976D660D93B7A606D378C2727E40E4C8F3DD415E3AB56sha3_384: 21948524076b963e6e51785ea4465ee3b4f7f6f741ff623562600b69691f85f9d36f85c0503d34f76df66cd4e7da7a5bep_bytes: 558becb9190000006a006a004975f951timestamp: 2020-12-02 07:30:13

Version Info:

FileVersion: 1.0.0.1ProductVersion: 1.0.0.0Translation: 0x0409 0x04e4

Win32/Agent.UBJ also known as:

Lionic Trojan.Win32.Agentb.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.37137442
FireEye Generic.mg.fdb0f288c4b387ac
McAfee Artemis!FDB0F288C4B3
Cylance Unsafe
K7AntiVirus Trojan ( 005652d91 )
Alibaba Trojan:Win32/Generic.e42ecee4
K7GW Trojan ( 005652d91 )
Cybereason malicious.d2c257
Cyren W32/Agent.DVM.gen!Eldorado
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of Win32/Agent.UBJ
APEX Malicious
Paloalto generic.ml
ClamAV Win.Malware.Generic-9874177-0
Kaspersky HEUR:Trojan.Win32.Agentb.gen
BitDefender Trojan.GenericKD.37137442
NANO-Antivirus Trojan.Win32.Generic.ivhamb
Avast Win32:Trojan-gen
Tencent Win32.Trojan.Agentb.Ehho
Ad-Aware Trojan.GenericKD.37137442
Sophos Troj/Steal-BSU
BitDefenderTheta Gen:NN.ZelphiF.34742.QT0@a8vpSAdi
Zillya Trojan.Agent.Win32.2249170
TrendMicro TROJ_GEN.R002C0PED21
McAfee-GW-Edition BehavesLike.Win32.Infected.th
Emsisoft Trojan.GenericKD.37137442 (B)
GData Trojan.GenericKD.37137442
Jiangmin Trojan.Agentb.jok
Webroot W32.Trojan.Gen
Avira TR/Agent.ervyz
ViRobot Trojan.Win32.S.Agent.1752576.B
Microsoft Trojan:Win32/Skeeyah.A
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/Win.Casdet.C4533255
VBA32 BScope.TrojanBanker.Banker
ALYac Trojan.MSIL.Agent
MAX malware (ai score=100)
TrendMicro-HouseCall TROJ_GEN.R002C0PED21
Rising Downloader.Skeeyah!8.E905 (CLOUD)
Ikarus Trojan.Win32.Agent
MaxSecure Trojan.Malware.117429535.susgen
Fortinet W32/Agentb.BSU!tr
AVG Win32:Trojan-gen
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_100% (W)

How to remove Win32/Agent.UBJ?

  • 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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