Worm

Win32.Worm.Brontok.AM information

Malware Removal

The Win32.Worm.Brontok.AM 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.Worm.Brontok.AM virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Scheduled file move on reboot detected
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Possible date expiration check, exits too soon after checking local time
  • A process attempted to delay the analysis task.
  • Dynamic (imported) function loading detected
  • A process created a hidden window
  • The binary contains an unknown PE section name indicative of packing
  • Creates an autorun.inf file
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • Installs itself for autorun at Windows startup
  • Likely virus infection of existing system binary
  • Creates a copy of itself
  • The sample wrote data to the system hosts file.
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent file extensions from being displayed
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Uses suspicious command line tools or Windows utilities

Related domains:

wpad.local-net

How to determine Win32.Worm.Brontok.AM?


File Info:

name: 19F72EBD3E0757223731.mlw
path: /opt/CAPEv2/storage/binaries/98bf5bfdde20b819a82340649f5b6352498c4a38d4b5013d3a1127f0eb0259f2
crc32: 0029A1D6
md5: 19f72ebd3e0757223731c73413f8dfa1
sha1: 264e538f61a2f1d989557717721df4c40a93b141
sha256: 98bf5bfdde20b819a82340649f5b6352498c4a38d4b5013d3a1127f0eb0259f2
sha512: 02304e39d3ee2d5e1fa430e7d6a8478029feef8f7b53e1a8811bca92d5adcd8d9c04483c01ce9f72a06e314101fe0d67fc8cd1c19521158d8127caf404679ac7
ssdeep: 1536:5vbMoORizUPliPsm/gL16ZpQGh6MgHN+PhuLGR/11:RbxOMUMPsgQvTMY+PhGGR/11
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T103837D19FF82C0BCFC7109B7188976B68E22680523BD4DE317D81D655A473DBA63835B
sha3_384: 3f3faa8115c1384bb33b987b7d127e67ea34f0474efc4dc854cfe01563602554f310cfc5d6ffcaf084474716a0cf3189
ep_bytes: 56e8840000008bf0e849000000680c00
timestamp: 2006-03-15 22:21:26

Version Info:

0: [No Data]

Win32.Worm.Brontok.AM also known as:

BkavW32.AIDetect.malware1
LionicWorm.Win32.Brontok.la0V
Elasticmalicious (high confidence)
MicroWorld-eScanWin32.Worm.Brontok.AM
FireEyeGeneric.mg.19f72ebd3e075722
CAT-QuickHealWorm.Brontok
McAfeeW32/Rontokbro.c.gen@MM
CylanceUnsafe
VIPREBehavesLike.Win32.Malware.eah (mx-v)
SangforTrojan.Win32.Save.a
K7AntiVirusRiskware ( 0040eff71 )
AlibabaTrojan:Win32/Starter.ali2000005
K7GWRiskware ( 0040eff71 )
CyrenW32/Backdoor.VXCQ-7763
SymantecW32.Rontokbro@mm
ESET-NOD32Win32/Pazetus.G
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Worm.Brontok-9815928-0
KasperskyEmail-Worm.Win32.Brontok.o
BitDefenderWin32.Worm.Brontok.AM
NANO-AntivirusTrojan.Win32.Brontok.ldoqd
AvastWin32:Trojano-BWK [Trj]
TencentMalware.Win32.Gencirc.10ce57ec
Ad-AwareWin32.Worm.Brontok.AM
EmsisoftWin32.Worm.Brontok.AM (B)
ComodoWorm.Win32.Pazetus.s@4t3nqq
DrWebWin32.HLLM.Jowo
ZillyaWorm.Brontok.Win32.1299
TrendMicroWORM_RONTKBR.GEN
McAfee-GW-EditionBehavesLike.Win32.CoinMiner.mm
SophosML/PE-A + W32/Brontok-BB
SentinelOneStatic AI – Malicious PE
GDataWin32.Worm.Brontok.AM
JiangminHeur:Worm/MyPhoto
AviraWORM/Brontok.N.1
Antiy-AVLTrojan/Generic.ASMalwS.E6552
MicrosoftWorm:Win32/Brontok.BJ@mm
CynetMalicious (score: 100)
AhnLab-V3Win32/Brontok.worm.81920.E
Acronissuspicious
BitDefenderThetaAI:Packer.66DF59571D
ALYacWin32.Worm.Brontok.AM
MAXmalware (ai score=83)
VBA32Worm.Brontok
MalwarebytesWorm.Brontok
TrendMicro-HouseCallWORM_RONTKBR.GEN
RisingWorm.Brontok!1.9EB8 (CLASSIC)
YandexWorm.Brontok.Gen.1
IkarusWorm.Brontok
MaxSecureWorm.Brontok.n
FortinetW32/Brontok.AM!worm
AVGWin32:Trojano-BWK [Trj]
PandaW32/Brontok.AN.worm

How to remove Win32.Worm.Brontok.AM?

Win32.Worm.Brontok.AM 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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