Categories: Malware

Win32/Agent.UBF removal guide

The Win32/Agent.UBF 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Win32/Agent.UBF virus can do?

  • Possible date expiration check, exits too soon after checking local time
  • A process attempted to delay the analysis task.
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Russian
  • Uses Windows utilities for basic functionality
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Checks the version of Bios, possibly for anti-virtualization
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Attempts to modify proxy settings
  • Creates a copy of itself
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Win32/Agent.UBF?


File Info:

crc32: 5406695Dmd5: 9f6f1c62f887675e71cf6545408a30caname: upd.exesha1: 63ec1d591c98b3770e5dc5469deadb82468510c2sha256: 0bb9c4f5f02f8302cec425fbaaa945f8f9160ace3e9c5c31428e2fe379557f01sha512: bde394106e37192ee4edb169965f64ecaf9d1dd6178ca65a5252d3794147e969348893bae81c8e611f78ba5d73e3c61caf14b35563347e7fb663f682f17dd6dfssdeep: 3072:HvpUZYRC0dE2/NMBlYpU4g6/Uoupg1VR9U7Enm49JNmk1wy2tvP7Q:HRUKClejH/OpOR9UgnrJUkCy6vPEtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2005-2012 Oleg N. ScherbakovInternalName: 7ZSfxModFileVersion: 1.6.0.2712CompanyName: Oleg N. ScherbakovPrivateBuild: December 30, 2012ProductName: 7-Zip SFXProductVersion: 1.6.0.2712FileDescription: 7z Setup SFX (x86)OriginalFilename: 7ZSfxMod_x86.exeTranslation: 0x0000 0x04b0

Win32/Agent.UBF also known as:

Bkav W32.DownloadExtatsF.Trojan
MicroWorld-eScan Gen:Trojan.Heur.JP.cuW@aO5J9!fi
FireEye Gen:Trojan.Heur.JP.cuW@aO5J9!fi
CAT-QuickHeal Trojan.Wacatac
Qihoo-360 Win32/Trojan.973
McAfee RDN/Generic.tfr
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Gen:Trojan.Heur.JP.cuW@aO5J9!fi
CrowdStrike win/malicious_confidence_60% (W)
TrendMicro TROJ_GEN.R011C0PAS20
F-Prot W32/Agent.XH.gen!Eldorado
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
GData Gen:Trojan.Heur.JP.cuW@aO5J9!fi
Kaspersky Trojan.Win32.Zenpak.tzi
Alibaba Backdoor:Win32/KZip.fbe692fa
NANO-Antivirus Trojan.Win32.JP.gxothq
AegisLab Trojan.Win32.Generic.4!c
Rising Trojan.Generic@ML.96 (RDML:6236Zji1LQYJaFnsnm+sew)
Sophos Mal/Generic-S
F-Secure Trojan.TR/Zenpak.fckjk
DrWeb Trojan.MulDrop11.35619
McAfee-GW-Edition RDN/Generic.tfr
Emsisoft Gen:Trojan.Heur.JP.cuW@aO5J9!fi (B)
Ikarus Trojan.Zenpak
Cyren W32/Agent.XH.gen!Eldorado
Jiangmin Trojan.Zenpak.ave
Webroot W32.Adware.Gen
Avira TR/Zenpak.rrfdc
Arcabit Trojan.Heur.JP.EA2D14
ZoneAlarm Trojan.Win32.Zenpak.tzi
Microsoft Trojan:Win32/Occamy.C
BitDefenderTheta AI:Packer.A12350CF1F
VBA32 Trojan.Zenpak
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Agent.UBF
TrendMicro-HouseCall TROJ_GEN.R011C0PAS20
Tencent Win32.Trojan.Zenpak.Hwmx
eGambit Unsafe.AI_Score_99%
Fortinet W32/Zenpak.TZI!tr
AVG Win32:TrojanX-gen [Trj]
Cybereason malicious.2f8876
Paloalto generic.ml
MaxSecure Trojan.Malware.74800559.susgen

How to remove Win32/Agent.UBF?

  • 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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