What is “Backdoor.Farfli”?

Malware Removal

The Backdoor.Farfli 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.Farfli virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • Detected script timer window indicative of sleep style evasion
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • A scripting utility was executed
  • Deletes its original binary from disk
  • Checks for the presence of known windows from debuggers and forensic tools
  • A process attempted to delay the analysis task by a long amount of time.
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • The following process appear to have been packed with Themida: Ywyzkm.exe, 8555.exe, Oracle.exe
  • Installs itself for autorun at Windows startup
  • Checks for the presence of known devices from debuggers and forensic tools
  • Detects the presence of Wine emulator via registry key
  • Checks the version of Bios, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a registry key
  • Creates a copy of itself
  • Anomalous binary characteristics

Related domains:

rat.pzchao.com
zll855.no-ip.info

How to determine Backdoor.Farfli?


File Info:

crc32: BC329BA7
md5: 0eb2f6f051cc3ed0ce1660134b2e7c65
name: 8555.exe
sha1: 61fd19e88cf2fce696c4bbf345be0dfd7383c7c4
sha256: 879bda2cb096bcbde4b5c187abba82ad49ef2a5e54621eab116b5659269e8aeb
sha512: ad0d9de78e379057b309f657c6a368b1931781fbb8e182e19f0915349e36b0a216fca468efd3445213bd825b4eea867bd0493a765666ab7dd56c4bc6649de3b8
ssdeep: 24576:ZOOcueEFfQhx8fiO/fREkcxVKk3tqX6/oqSRJbObQpw5dHKHtu7QRWEcdIr7:ZHHRF2ufiMREkaVKZqgCbRRGtusE
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: java
InternalName: Copyright ? 2013
FileVersion: 7.0.110.21
CompanyName: Oracle Corporation
PrivateBuild:
LegalTrademarks:
Comments:
ProductName: Java(TM) Platform SE 7 U11
SpecialBuild:
ProductVersion: 7.0.110.21
FileDescription: Java(TM) Platform SE binary
OriginalFilename: java.exe
Translation: 0x0804 0x04b0

Backdoor.Farfli also known as:

MicroWorld-eScanTrojan.GenericKD.40584754
FireEyeGeneric.mg.0eb2f6f051cc3ed0
McAfeeGeneric.cer
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Farfli.m!c
SangforMalware
CrowdStrikewin/malicious_confidence_90% (W)
BitDefenderTrojan.GenericKD.40584754
K7GWTrojan ( 005398431 )
K7AntiVirusTrojan ( 005398431 )
TrendMicroBKDR_FARFLI.THCOGAH
F-ProtW32/Farfli.AN
SymantecTrojan.Gen
APEXMalicious
AvastWin32:Malware-gen
GDataTrojan.GenericKD.40584754
KasperskyBackdoor.Win32.Farfli.aurd
AlibabaBackdoor:Win32/Farfli.3f411073
NANO-AntivirusTrojan.Win32.Farfli.ercbqh
RisingTrojan.Generic@ML.99 (RDMK:HLD4GBxV2UR1WbEs39Y0SA)
Endgamemalicious (high confidence)
EmsisoftTrojan.GenericKD.40584754 (B)
F-SecureTrojan.TR/Beaugrit.inrqv
DrWebTrojan.KillProc.29213
ZillyaTrojan.GenericKD.Win32.72922
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.PWSZbot.tc
Trapminemalicious.high.ml.score
SophosMal/Generic-S
CyrenW32/Farfli.ZDSS-5008
WebrootW32.Trojan.Gen
AviraTR/Beaugrit.inrqv
MAXmalware (ai score=100)
ArcabitTrojan.Generic.D26B4632
ZoneAlarmBackdoor.Win32.Farfli.aurd
MicrosoftTrojan:Win32/CryptInject
AhnLab-V3Backdoor/Win32.Farfli.C2049163
Acronissuspicious
VBA32Backdoor.Farfli
ALYacBackdoor.Farfli.gen
Ad-AwareTrojan.GenericKD.40584754
PandaTrj/CI.A
ESET-NOD32Win32/Farfli.CMP
TrendMicro-HouseCallBKDR_FARFLI.THCOGAH
YandexBackdoor.Farfli!Ocxq5R4+ay4
SentinelOneDFI – Suspicious PE
FortinetW32/Scar.HMPT!tr
BitDefenderThetaGen:NN.ZexaF.32515.4z0aaer!@afj
AVGWin32:Malware-gen
Cybereasonmalicious.051cc3
Paloaltogeneric.ml
Qihoo-360Win32/Backdoor.303

How to remove Backdoor.Farfli?

Backdoor.Farfli 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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