Backdoor

Backdoor:Win32/Farfli.AF (file analysis)

Malware Removal

The Backdoor:Win32/Farfli.AF 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/Farfli.AF virus can do?

  • Attempts to connect to a dead IP:Port (1 unique times)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Presents an Authenticode digital signature
  • Dynamic (imported) function loading detected
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Authenticode signature is invalid
  • Deletes its original binary from disk

How to determine Backdoor:Win32/Farfli.AF?



File Info:

name: 1430B0CAE23FD794C490.mlw
path: /opt/CAPEv2/storage/binaries/fc6d8abce8593887e4d524a8604530a40f4de2fa967702d6224fe2e8227d84e2
crc32: 15C55E4F
md5: 1430b0cae23fd794c490ad3e20d3bc48
sha1: 016d6fcf82a0509e608ed9a98a4aa015d249a673
sha256: fc6d8abce8593887e4d524a8604530a40f4de2fa967702d6224fe2e8227d84e2
sha512: ce18a7569b139af75b7c034f6d817b5912834a2c3d81b3232843bfd938c45d6e6721485dc396d2656aa3481cbb2704b1e6598fd581852919cb51f95e8cddaae8
ssdeep: 3072:GoKX0lEqsWgOE+p7xIHle+NeQihwVkc51wieWcd:GovEPWgydxIsbQ2ykc51X4
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T172F35B21E2C184ABD47700B184F6A73A9E39FE7817045483F3C8BE5A6D751E5A7226CF
sha3_384: a17b0949a4b42ff4fedbb1dd4975293ac7f1b5b9420c2ea73b4909e10f66048bb2735520da25ad412f12ce677a35537d
ep_bytes: 558bec6aff6858f0410068e4c1410064
timestamp: 2013-06-13 14:29:14


Version Info:

CompanyName: 360.cn
FileDescription: 360 下载管理
FileVersion: 1, 3, 0, 1170
InternalName: LiveUpdate360.exe
LegalCopyright: (C) 360.cn All Rights Reserved.
OriginalFilename: LiveUpdate360.exe
ProductName: 360 下载管理
ProductVersion: 1, 3, 0, 1170
Translation: 0x0804 0x04b0

Backdoor:Win32/Farfli.AF also known as:

Elasticmalicious (high confidence)
DrWebTrojan.DownLoader9.34884
MicroWorld-eScanGen:Variant.Fugrafa.29670
FireEyeGeneric.mg.1430b0cae23fd794
ALYacGen:Variant.Fugrafa.29670
CylanceUnsafe
ZillyaTrojan.Vehidis.Win32.47
SangforTrojan.Win32.Vehidis.we
Cybereasonmalicious.ae23fd
BitDefenderThetaGen:NN.ZexaF.34182.kq1@a0U4TOeb
VirITBackdoor.Win32.Generic.TGR
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Farfli.AHR
TrendMicro-HouseCallBKDR_ZEGOST.SM46
Paloaltogeneric.ml
ClamAVWin.Trojan.Farfli-9758633-0
KasperskyTrojan.Win32.Vehidis.we
BitDefenderGen:Variant.Fugrafa.29670
NANO-AntivirusTrojan.Win32.Farfli.bxpbdx
AvastWin32:GenMaliciousA-UET [Trj]
TencentTrojan.Win32.Vehidis.we
EmsisoftGen:Variant.Fugrafa.29670 (B)
ComodoTrojWare.Win32.Farfli.ANGL@5ruhi2
BaiduWin32.Trojan.Farfli.ag
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionGenericRXIS-VR!1430B0CAE23F
SophosML/PE-A + Mal/Zegost-Y
JiangminTrojan/Generic.axqqc
eGambitTrojan.Generic
AviraHEUR/AGEN.1219558
MAXmalware (ai score=85)
Antiy-AVLTrojan/Generic.ASMalwS.47C316
MicrosoftBackdoor:Win32/Farfli.AF
ZoneAlarmTrojan.Win32.Vehidis.we
GDataGen:Variant.Fugrafa.29670
CynetMalicious (score: 99)
McAfeeGenericRXIS-VR!1430B0CAE23F
TACHYONTrojan/W32.Vehidis.167472
VBA32BScope.Trojan.Agent
APEXMalicious
RisingBackdoor.Farfli!1.9DB4 (CLOUD)
YandexTrojan.GenAsa!FZqLMlgXs34
IkarusBackdoor.Win32.Farfli
FortinetW32/CoinMiner.NJ!tr
AVGWin32:GenMaliciousA-UET [Trj]
PandaTrj/CI.A
CrowdStrikewin/malicious_confidence_70% (W)

How to remove Backdoor:Win32/Farfli.AF?

Backdoor:Win32/Farfli.AF 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.

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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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