Malware

What is “Heur.Variadic.A.303.1 (B)”?

Malware Removal

The Heur.Variadic.A.303.1 (B) 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 Heur.Variadic.A.303.1 (B) virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine Heur.Variadic.A.303.1 (B)?


File Info:

name: F8E67942ED89C8136A72.mlw
path: /opt/CAPEv2/storage/binaries/6b4a1b21248fa66a345afd6ac8b818d5734f71aa4b9b47e19c2077a17df25c55
crc32: 0374E37C
md5: f8e67942ed89c8136a72589dd61a4a1c
sha1: 9373c0ac592bf808bf88e7f266aaf03148d5667f
sha256: 6b4a1b21248fa66a345afd6ac8b818d5734f71aa4b9b47e19c2077a17df25c55
sha512: bce80ab14283b9f3bbd31af7bf90cf79760a47b388e01c92d9181608bb69af4cf4e708f09c7deb87f613c0aee45d18b474814639feb6fdfbea228c6c8029d368
ssdeep: 1536:9X9TaOt5OuXpBFZQUSvnsk+z/ypuOASsIc9XmkbxH3t:9X9TP3OuXpBkAz/yjvc9X/9Xt
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T12DC30A23BE10502BD8568AF1A895AA6D7B551F362BF4BD0772A4BB042D7710378F930F
sha3_384: ba495b3eb5c8747b3e931dbb565b50f541ea70501d58c17c26daeec015b9e579ce182f61d41024894e76282bdecdfbf5
ep_bytes: 68e4384000e8eeffffff000048000000
timestamp: 2013-02-25 01:00:32

Version Info:

Translation: 0x0409 0x04b0
ProductName: Project1
FileVersion: 1.00
ProductVersion: 1.00
InternalName: Project1
OriginalFilename: Project1.exe

Heur.Variadic.A.303.1 (B) also known as:

BkavW32.AIDetectMalware
tehtrisGeneric.Malware
MicroWorld-eScanGen:Heur.Variadic.A.303.1
FireEyeGeneric.mg.f8e67942ed89c813
SkyhighBehavesLike.Win32.Swisyn.cm
Cylanceunsafe
ZillyaTrojan.Agent.Win32.3898268
SangforTrojan.Win32.Save.a
AlibabaWorm:Win32/Mofksys.d166755e
K7GWP2PWorm ( 003b42321 )
K7AntiVirusTrojan ( 003b42321 )
BitDefenderThetaAI:Packer.5931817920
SymantecML.Attribute.HighConfidence
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/VB.QOT
APEXMalicious
TrendMicro-HouseCallPE_SWISB.A-O
Paloaltogeneric.ml
KasperskyTrojan.Win32.Agent.xehr
BitDefenderGen:Heur.Variadic.A.303.1
NANO-AntivirusTrojan.Win32.VB.kktfge
AvastWin32:VB-OJQ [Wrm]
TencentMalware.Win32.Gencirc.10bfc575
EmsisoftGen:Heur.Variadic.A.303.1 (B)
BaiduWin32.Worm.VB.b
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.MulDrop26.43697
VIPREGen:Heur.Variadic.A.303.1
TrendMicroPE_SWISB.A-O
Trapminemalicious.moderate.ml.score
SophosW32/Mofksys-D
MAXmalware (ai score=89)
JiangminTrojan.Agent.evqm
GoogleDetected
AviraTR/Dropper.Gen
VaristW32/VB.JI.gen!Eldorado
Antiy-AVLTrojan/Win32.Agent
Kingsoftmalware.kb.a.1000
MicrosoftWorm:Win32/Mofksys.RND!MTB
XcitiumTrojWare.Win32.VB.QOTY@4qfd0g
ArcabitTrojan.Variadic.A.303.1
ZoneAlarmTrojan.Win32.Agent.xehr
GDataWin32.Trojan.PSE1.C4EPE9
CynetMalicious (score: 100)
McAfeeArtemis!F8E67942ED89
VBA32Trojan.Agent
MalwarebytesGeneric.Malware.AI.DDS
PandaTrj/Genetic.gen
RisingWorm.Mofksys!8.1F7 (TFE:3:IhfPU4oeQWD)
YandexTrojan.GenAsa!182yZo+3+DM
IkarusTrojan.Win32.VB
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/VB.QCC!tr.dldr
AVGWin32:VB-OJQ [Wrm]
DeepInstinctMALICIOUS
alibabacloudTrojan[dropper]:Win/Mofksys.RT#2XJC

How to remove Heur.Variadic.A.303.1 (B)?

Heur.Variadic.A.303.1 (B) 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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