Backdoor

Backdoor:Win32/Fynloski.PA!MTB information

Malware Removal

The Backdoor:Win32/Fynloski.PA!MTB 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Backdoor:Win32/Fynloski.PA!MTB virus can do?

  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Injection with CreateRemoteThread in a remote process
  • Creates RWX memory
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Executed a process and injected code into it, probably while unpacking
  • Sniffs keystrokes
  • 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
  • Likely virus infection of existing system binary
  • Creates a copy of itself
  • Interacts with known DarkComet registry keys
  • Creates known Fynloski/DarkComet mutexes
  • Anomalous binary characteristics
  • Contains RAT configuration for DarkComet (see Static Analysis tab)

Related domains:

whp.sytes.net

How to determine Backdoor:Win32/Fynloski.PA!MTB?


File Info:

crc32: 8668B9E3
md5: 5bfe96a46da9f28596128a53a4bd888f
name: main.exe.rar
sha1: c6f1f82b5dcc02dcd70d535493059cfd6d2a5a20
sha256: c14a5d52ae12b63c6de76d6426058eabc7efb8624fc35226bcb5e38b01b78f7a
sha512: 61e3f19ad5ed43e634e581ca3fd81474b86491800e30a4a5dfc3349c8d2f92a0195c8df13a4197a1f10c4d84dd0ab21456ac01109b6bfb7959c3e7fb95895234
ssdeep: 49152:XgEjyITimeCXXlegnRZgKzZm5OLHSWSv90/NtWtQErZqNU8UJvibz9D+XGr4sbV7:XXjyyi0gfKzo8LHld1Dlxv7iiJ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 1999
InternalName: MSRSAAPP
FileVersion: 1, 0, 0, 1
CompanyName: Microsoft Corp.
Comments: Remote Service Application
ProductName: Remote Service Application
ProductVersion: 4, 0, 0, 0
FileDescription: Remote Service Application
OriginalFilename: MSRSAAP.EXE
Translation: 0x0409 0x04b0

Backdoor:Win32/Fynloski.PA!MTB also known as:

BkavW32.OnGamesLTESFJVO.Trojan
MicroWorld-eScanMemScan:Win32.Jeefo.D
FireEyeGeneric.mg.5bfe96a46da9f285
CAT-QuickHealBackdoor.Fynloski.A9
Qihoo-360QVM41.1.Malware.Gen
McAfeeGeneric BackDoor.xa
CylanceUnsafe
VIPREBackdoor.Win32.Fynloski.A (v)
SangforMalware
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderMemScan:Win32.Jeefo.D
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.46da9f
Invinceaheuristic
BitDefenderThetaAI:Packer.C847E94B1C
CyrenW32/DelfInject.A.gen!Eldorado
SymantecTrojan.Klovbot
TotalDefenseWin32/Fynloski.GEIIKeC
BaiduWin32.Backdoor.Agent.l
TrendMicro-HouseCallBKDR_FYNLOS.SMM
ClamAVWin.Trojan.DarkKomet-1
GDataMemScan:Win32.Jeefo.D
KasperskyVirus.Win32.Hidrag.a
NANO-AntivirusTrojan.Win32.Comet.bqolsq
APEXMalicious
RisingMalware.Heuristic!ET#100% (RDMK:cmRtazp7qNQQwotTr1uKz0D4H9qS)
Ad-AwareMemScan:Win32.Jeefo.D
SophosW32/Jeefo-A
ComodoBackdoor.Win32.Agent.XAB@4of2bc
F-SecureMalware.W32/Jeefo.A
DrWebBackDoor.Comet.134
ZillyaTrojan.Fynloski.Win32.452
TrendMicroBKDR_FYNLOS.SMM
McAfee-GW-EditionBehavesLike.Win32.Backdoor.wh
Trapminemalicious.moderate.ml.score
EmsisoftMemScan:Win32.Jeefo.D (B)
SentinelOneDFI – Malicious PE
F-ProtW32/Jeefo.A
JiangminBackdoor/Azbreg.arx
WebrootW32.Rogue.Gen
AviraW32/Jeefo.A
MAXmalware (ai score=88)
Antiy-AVLVirus/Win32.Hidrag.a
KingsoftWin32.Hack.HuigeziT.cz
Endgamemalicious (high confidence)
ArcabitWin32.Jeefo.D
ZoneAlarmVirus.Win32.Hidrag.a
MicrosoftBackdoor:Win32/Fynloski.PA!MTB
AhnLab-V3Win-Trojan/Graybird.678400
Acronissuspicious
VBA32TScope.Trojan.Delf
ALYacMemScan:Win32.Jeefo.D
MalwarebytesTrojan.RemoteAccess
PandaGeneric Malware
ESET-NOD32Win32/Fynloski.AA
TencentBackdoor.Win32.DarkKomet.zem
YandexTrojan.Comet.Gen.LO
IkarusDropper.Patched
eGambitRAT.DarkComet
FortinetW32/DarkKomet.ID!tr.bdr
AVGWin32:Gardih
AvastWin32:Gardih
CrowdStrikewin/malicious_confidence_100% (D)
MaxSecureBackdoor.W32.Delf.aecw

How to remove Backdoor:Win32/Fynloski.PA!MTB?

Backdoor:Win32/Fynloski.PA!MTB 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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