Categories: Backdoor

Backdoor:Win32/Farfli.BZ removal tips

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

  • Executable code extraction
  • Drops a binary and executes it
  • Deletes its original binary from disk
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself

How to determine Backdoor:Win32/Farfli.BZ?


File Info:

crc32: C28A3EA4md5: 0b5665cfe8d7df1b6df6b14cb54276b1name: svchost.exesha1: 3ce225de0063f178e2ba1926616d93812426deadsha256: 629e1232870afdc931758b23b4bdaa4ddd817b7833677513d1eb27f376dcc1ffsha512: 11637494bb0bb2d0241c3333d0de6c15ed26afceea51e498e79d4fadc715c5b1d98e578033c92e7809084186e419e58a05b6d1f7b8bae8c03e6d06040cef2627ssdeep: 1536:uc0yPmiHjdbxv7fjTHMB5RJGNoQ0u0M+xY7H56uDd4by+ik5S4BRChQM:ut4h3EpCH0u0MDN9xcQuRChQMtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Farfli.BZ also known as:

MicroWorld-eScan Gen:Variant.Graftor.721922
FireEye Generic.mg.0b5665cfe8d7df1b
McAfee Artemis!0B5665CFE8D7
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 00521b151 )
BitDefender Gen:Variant.Graftor.721922
K7GW Trojan ( 00521b151 )
Cybereason malicious.e0063f
BitDefenderTheta Gen:NN.ZexaF.34104.juX@aed4OSe
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.EGZV
APEX Malicious
Avast Win32:Trojan-gen
GData Gen:Variant.Graftor.721922
Kaspersky Backdoor.Win32.Lotok.bas
Alibaba Trojan:Win32/Injector.89ee13e1
ViRobot Trojan.Win32.Z.Lotok.155802
AegisLab Trojan.Win32.Lotok.m!c
Rising Backdoor.Farfli!8.B4 (CLOUD)
Endgame malicious (high confidence)
Emsisoft Gen:Variant.Graftor.721922 (B)
Comodo Malware@#2nsegkk9ngok5
F-Secure Trojan.TR/Injector.oksqf
DrWeb Trojan.DownLoader33.21549
Zillya Trojan.Injector.Win32.695167
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Generic.cm
Trapmine malicious.high.ml.score
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Injector
Cyren W32/Trojan.SMAB-9045
Jiangmin Backdoor.Lotok.fl
Avira TR/Injector.oksqf
Antiy-AVL Trojan[Backdoor]/Win32.Lotok
Microsoft Backdoor:Win32/Farfli.BZ
Arcabit Trojan.Graftor.DB0402
AhnLab-V3 Trojan/Win32.Injector.R330706
ZoneAlarm Backdoor.Win32.Lotok.bas
Acronis suspicious
VBA32 Backdoor.Lotok
ALYac Gen:Variant.Graftor.721922
MAX malware (ai score=87)
Ad-Aware Gen:Variant.Graftor.721922
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_GEN.R015H0CCV20
Tencent Malware.Win32.Gencirc.10b90b37
Yandex Trojan.Injector!slVUdWp4Ji8
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_100%
Fortinet W32/Lotok.BAS!tr.bdr
AVG Win32:Trojan-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Backdoor.683

How to remove Backdoor:Win32/Farfli.BZ?

  • 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.
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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