Malware

About “Win32/Agent.ABRB” infection

Malware Removal

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

  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • A process created a hidden window
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Tries to suspend Cuckoo threads to prevent logging of malicious activity
  • Executed a process and injected code into it, probably while unpacking
  • Deletes its original binary from disk
  • A process attempted to delay the analysis task by a long amount of time.
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Steals private information from local Internet browsers
  • Installs itself for autorun at Windows startup
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

Related domains:

z.whorecord.xyz
a.tomx.xyz
pastebin.com
iek.netlify.com
raw.githubusercontent.com
gitlab.com

How to determine Win32/Agent.ABRB?


File Info:

crc32: 8B3D0636
md5: 3a179c339845f6d4381c2539d651481a
name: de.jpg
sha1: 2c7d82638531caa6263adceb69c54f5466e2cee6
sha256: c8c141c0a009b2456a6c733abdc37c7258331e75ad4d7f527b0fa6864c59e6ad
sha512: 6af72a40288c15adbfdc73b434ab3e9ec639eb16f74de99da9e13c23c2ff40b7663bf5f1f36a1e5a9798c5511d1b74acefdcf912edf054dc45f5171dd899d3b5
ssdeep: 196608:mN7AQtoMYFn9DENhtPcAwX2yTRuvTKGZ9JyH6Z3FO6ysh:mft2UtUAwmvKO9Jya5Fph
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Agent.ABRB also known as:

MicroWorld-eScanTrojan.GenericKD.33523557
BitDefenderThetaGen:NN.ZedlaF.34098.@F8@aizavMoj
ALYacTrojan.GenericKD.33523557
CylanceUnsafe
SangforMalware
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderTrojan.GenericKD.33523557
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.38531c
Invinceaheuristic
SymantecML.Attribute.HighConfidence
APEXMalicious
Paloaltogeneric.ml
GDataTrojan.GenericKD.33523557
KasperskyTrojan.Win32.SchoolBoy.kde
AlibabaTrojan:Win32/SchoolBoy.e9599c55
NANO-AntivirusTrojan.Win32.SchoolBoy.hecdtc
AvastWin32:Trojan-gen
TencentWin32.Trojan.Schoolboy.Ljal
Endgamemalicious (high confidence)
EmsisoftTrojan.GenericKD.33523557 (B)
F-SecureTrojan.TR/Crypt.ZPACK.Gen
McAfee-GW-EditionBehavesLike.Win32.IStartSurf.tc
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.3a179c339845f6d4
SophosMal/Emogen-E
IkarusTrojan.Crypt
CyrenW32/Trojan.KHEB-6163
JiangminTrojan.Schoolboy.go
AviraTR/Crypt.ZPACK.Gen
Antiy-AVLTrojan[Dropper]/Win32.Agent
AegisLabTrojan.Win32.Malicious.4!c
ZoneAlarmTrojan.Win32.SchoolBoy.kde
MicrosoftTrojan:Win32/Occamy.C
TACHYONTrojan/W32.SchoolBoy.10114560
McAfeeArtemis!3A179C339845
MAXmalware (ai score=80)
VBA32TScope.Malware-Cryptor.SB
ESET-NOD32a variant of Win32/Agent.ABRB
TrendMicro-HouseCallTROJ_GEN.R002H0CC720
RisingTrojan.Crypto!8.364 (CLOUD)
SentinelOneDFI – Suspicious PE
FortinetW32/Agent.ABRB!tr
Ad-AwareTrojan.GenericKD.33523557
AVGWin32:Trojan-gen
PandaTrj/CI.A
CrowdStrikewin/malicious_confidence_60% (W)
Qihoo-360Generic/HEUR/QVM41.2.A437.Malware.Gen

How to remove Win32/Agent.ABRB?

Win32/Agent.ABRB removal tool
  • 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.

About the author

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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