Backdoor.Farfli.UPX removal guide

The Backdoor.Farfli.UPX 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.UPX virus can do?

Executable code extraction
Injection (inter-process)
Injection (Process Hollowing)
Creates RWX memory
Starts servers listening on 0.0.0.0:13141
Unconventionial language used in binary resources: Chinese (Simplified)
The binary likely contains encrypted or compressed data.
The executable is compressed using UPX
Uses Windows utilities for basic functionality
Executed a process and injected code into it, probably while unpacking
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 hidden or system file

Related domains:

r.nxxxn.ga

fuck88.f3322.net

How to determine Backdoor.Farfli.UPX?


File Info:
crc32: D7552A3C
md5: 652b128649df6cb78853f70cc94aaca3
name: ReportServser.exe
sha1: 06c857e7628ce04c37b682a4e45558d17bd41910
sha256: a146565088734db7171f87194cb585d63cd58884ba5069ad31934ee1ace545da
sha512: 04c29b527e6ef58549fea0812c9fe93ae84eea60610de6708059a43278b948db900c03ad202907e1068ec683a87f0b047640eea27ea36a48c30d2483e7a355ee
ssdeep: 24576:wB0NWp6nr52LyDXRfJ5dwEztbXCmAUscM7P8g6A7Vpg83atTUHnlr:wBSDnV3XRfJ/emAUscMoCVuw
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:
LegalCopyright: Mozilla Corporation
FileVersion: 74.0
CompanyName: Mozilla Corporation
LegalTrademarks: Firefox is a Trademark of The Mozilla Foundation.
ProductName: Firefox
ProductVersion: 74.0
FileDescription: Mozilla Maintenance Service Installer
OriginalFilename: maintenanceservice_installer.exe
Translation: 0x0409 0x04b0

Backdoor.Farfli.UPX also known as:

MicroWorld-eScan	Gen:Variant.Graftor.494720
FireEye	Generic.mg.652b128649df6cb7
CAT-QuickHeal	Trojan.Mauvaise.SL1
McAfee	GenericRXAA-AA!652B128649DF
Cylance	Unsafe
VIPRE	Trojan.Win32.Generic!BT
K7AntiVirus	Trojan ( 00531ee81 )
BitDefender	Gen:Variant.Graftor.494720
K7GW	Trojan ( 00531ee81 )
Cybereason	malicious.649df6
Invincea	heuristic
APEX	Malicious
Avast	Win32:Malware-gen
GData	Gen:Variant.Graftor.494720
Kaspersky	Trojan.Win32.Blamon.oyg
NANO-Antivirus	Trojan.Win32.BlackMoon.flthzb
Rising	Backdoor.Farfli!8.B4 (RDMK:cmRtazrzC/Fvmeygn4izLc26FwQS)
Endgame	malicious (moderate confidence)
Sophos	Troj/Agent-BEJP
Comodo	Backdoor.Win32.Zegost.XP@7o7w19
F-Secure	Trojan.TR/Crypt.Agent.uzqab
DrWeb	BackDoor.BlackMoon.15
Zillya	Worm.Palevo.Win32.124018
McAfee-GW-Edition	GenericRXHP-JI!62FEA8C39E6E
Trapmine	malicious.moderate.ml.score
Emsisoft	Gen:Variant.Graftor.494720 (B)
Cyren	W32/Trojan.JAQO-5654
Jiangmin	Backdoor.Farfli.ckm
Avira	TR/Crypt.Agent.uzqab
Webroot	W32.Blamon
Antiy-AVL	Trojan/Win32.APosT
Arcabit	Trojan.Graftor.D78C80
ZoneAlarm	Trojan.Win32.Blamon.oyg
Microsoft	Trojan:Win32/Wacatac.D!ml
AhnLab-V3	Backdoor/Win32.RL_Farfli.R333331
Acronis	suspicious
VBA32	Trojan.APosT
ALYac	Gen:Variant.Graftor.494720
Ad-Aware	Gen:Variant.Graftor.494720
Malwarebytes	Backdoor.Farfli.UPX
ESET-NOD32	a variant of Win32/Kryptik.GGXP
Tencent	Malware.Win32.Gencirc.10b9c3db
Yandex	Trojan.Kryptik!ikbLLfr6/RE
MAX	malware (ai score=86)
eGambit	Unsafe.AI_Score_99%
Fortinet	W32/Kryptik.GGXP!tr
BitDefenderTheta	Gen:NN.ZexaF.34106.lnKfaakxX9aj
AVG	Win32:Malware-gen
CrowdStrike	win/malicious_confidence_60% (D)
Qihoo-360	HEUR/QVM11.1.C37D.Malware.Gen

How to remove Backdoor.Farfli.UPX?

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.

Backdoor.Farfli.UPX removal guide