Backdoor

Should I remove “Backdoor:Win32/Vrat.D”?

Malware Removal

The Backdoor:Win32/Vrat.D 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 Backdoor:Win32/Vrat.D virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Authenticode signature is invalid

How to determine Backdoor:Win32/Vrat.D?


File Info:

name: 678B298AF58A2E537A53.mlw
path: /opt/CAPEv2/storage/binaries/ebde1952b0cd01f7fd6534da9cd878040cc6b21c992be602f83ade3bfe6b404d
crc32: A0C4CF9F
md5: 678b298af58a2e537a53618c95be5c5c
sha1: d79472ac543fa0e44c84151181b8c40d765cb08f
sha256: ebde1952b0cd01f7fd6534da9cd878040cc6b21c992be602f83ade3bfe6b404d
sha512: 0893850d3b0f3271d6e3be02a93c4bf89057894e388903cd44520600505c47edde4aaeeccf2dde852d9a7b6c9ed67cd518554e1680ceec1bd887f59e529d2ad0
ssdeep: 98304:SitgAALyoMyNam5goEasTMApS8EP1gZEah+e0wXd2koV6KdcPhk0Sgl9dem:SitgAALyoMyNam5goEasTMApS8EP1gZB
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T102E52939EE76FC03C16D053C09A63268E71C2D61D9A994BA91C4F80CD4B36EB5FA531E
sha3_384: 23c412187fbc0d05d37cb74a6582fa012316d619eea96b849504f9ea57bee9b52700ce81323c6263db566d539e420b64
ep_bytes: 68ac414000e8f0ffffff000000000000
timestamp: 2006-01-06 16:55:05

Version Info:

Translation: 0x0409 0x04b0
CompanyName: Dabkow Software
FileDescription: Remote Administration Tool
LegalCopyright: (C) Dabkow Software.2005-2006.
ProductName: SkD RAT 2.0
FileVersion: 2.00
ProductVersion: 2.00
InternalName: SkD RAT
OriginalFilename: SkD RAT.exe

Backdoor:Win32/Vrat.D also known as:

LionicTrojan.Win32.Skrat.lawf
MicroWorld-eScanBackdoor.Skrat.G
FireEyeGeneric.mg.678b298af58a2e53
CAT-QuickHealBackdoor.Skrat
ALYacBackdoor.Skrat.G
CylanceUnsafe
ZillyaBackdoor.Skrat.Win32.26
SangforBackdoor.Win32.Skrat.20
K7AntiVirusTrojan ( 00002cff1 )
AlibabaBackdoor:Win32/Skrat.d2cf63a1
K7GWTrojan ( 00002cff1 )
Cybereasonmalicious.af58a2
CyrenW32/Backdoor.FWQP-8342
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Skrat.C
Paloaltogeneric.ml
ClamAVWin.Trojan.Delf-28574
KasperskyBackdoor.Win32.Skrat.20
BitDefenderBackdoor.Skrat.G
NANO-AntivirusTrojan.Win32.Delf.bmrbk
AvastWin32:Delf-ADI [Trj]
TencentWin32.Backdoor.Skrat.Wpjv
Ad-AwareBackdoor.Skrat.G
EmsisoftBackdoor.Skrat.G (B)
ComodoBackdoor@#2kouzufr5eenn
DrWebBackDoor.Skd.21
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_GEN.R002C0CJO21
McAfee-GW-EditionBehavesLike.Win32.Generic.wh
SophosMal/Generic-R
GDataBackdoor.Skrat.G
JiangminBackdoor.Skrat.f
AviraDR/Delf.amc.1.A
Antiy-AVLTrojan/Generic.ASBOL.C5D1
MicrosoftBackdoor:Win32/Vrat.D
CynetMalicious (score: 99)
McAfeeBackDoor-DLD
MAXmalware (ai score=100)
VBA32BScope.Trojan-Spy.Zbot
TrendMicro-HouseCallTROJ_GEN.R002C0CJO21
RisingTrojan.Generic@ML.97 (RDML:3QIG1THuk4SLGUFLACCcUw)
YandexTrojan.GenAsa!KJbEC9dS6Ag
SentinelOneStatic AI – Suspicious PE
eGambitUnsafe.AI_Score_100%
FortinetW32/Skrat.G!tr.bdr
AVGWin32:Delf-ADI [Trj]
PandaBck/Skrat.C
CrowdStrikewin/malicious_confidence_100% (W)
MaxSecureTrojan.Malware.300983.susgen

How to remove Backdoor:Win32/Vrat.D?

Backdoor:Win32/Vrat.D 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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