Trojan

Win32/TrojanDropper.Delf.OEF (file analysis)

Malware Removal

The Win32/TrojanDropper.Delf.OEF 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 Win32/TrojanDropper.Delf.OEF virus can do?

  • Injection (inter-process)
  • Injection with CreateRemoteThread in a remote process
  • Creates RWX memory
  • A process created a hidden window
  • Drops a binary and executes it
  • Uses Windows utilities for basic functionality
  • Sniffs keystrokes
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Operates on local firewall’s policies and settings
  • Interacts with known DarkComet registry keys
  • Attempts to disable UAC
  • Attempts to modify or disable Security Center warnings
  • Creates known Fynloski/DarkComet mutexes
  • Anomalous binary characteristics
  • Contains RAT configuration for DarkComet (see Static Analysis tab)

Related domains:

dontolr.ddns.net

How to determine Win32/TrojanDropper.Delf.OEF?


File Info:

crc32: 55398F8F
md5: 261adba7b246ed7e13410b7b115117a4
name: setup.exe
sha1: 1ab5aa20e097e2d486207b0c305e3243133cf975
sha256: 2c17be0153aec37c288fd7256aff65ab3d6c35899d941ea51e1f157080269fb7
sha512: 54656955b7cc61b0a94729953604ce6bc3d815e60627faa06f8d548123eb620b83c1e23f18834fb292fced13d371d3f4afb1671354b71e18af687865c21a001f
ssdeep: 24576:kiBIGkbxqEcjsWiDxguehC2SiiBIGkbxqEcjsWiDxguehC2SL:vCUumo20CUumo2u
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/TrojanDropper.Delf.OEF also known as:

MicroWorld-eScanGen:Trojan.RegistryDisabler.xHW@aGUtm1eS
FireEyeGeneric.mg.261adba7b246ed7e
CAT-QuickHealBackdoor.Fynloski.A9
ALYacGen:Trojan.RegistryDisabler.xHW@aGUtm1eS
CylanceUnsafe
AegisLabTrojan.Win32.Delf.toJT
SangforMalware
K7AntiVirusTrojan ( 004bdc281 )
BitDefenderGen:Trojan.RegistryDisabler.xHW@aGUtm1eS
K7GWTrojan ( 004bdc281 )
Cybereasonmalicious.7b246e
TrendMicroTROJ_BINDER.SMBD
BitDefenderThetaGen:Trojan.Heur2.LPTxHW@bGUtm1eSb
F-ProtW32/Trojan2.PZJI
SymantecBackdoor.Breut!gm
ESET-NOD32Win32/TrojanDropper.Delf.OEF
BaiduWin32.Trojan-Dropper.Delf.as
TrendMicro-HouseCallTROJ_BINDER.SMBD
AvastMSIL:GenMalicious-CHX [Trj]
ClamAVWin.Trojan.DarkKomet-1
GDataGen:Trojan.RegistryDisabler.xHW@aGUtm1eS
KasperskyBackdoor.Win32.DarkKomet.aceg
AlibabaBackdoor:Win32/DarkKomet.145e9818
NANO-AntivirusTrojan.Win32.Delf.flagce
ViRobotTrojan.Win32.A.Scar.451584.A
RisingBackdoor.Pontoeb!1.6637 (CLASSIC)
Ad-AwareGen:Trojan.RegistryDisabler.xHW@aGUtm1eS
SophosTroj/Fynlosk-AK
ComodoTrojWare.Win32.TrojanDropper.Delf.SOC@572vwy
F-SecureBackdoor.BDS/Backdoor.Gen
DrWebTrojan.Packed.20771
ZillyaTrojan.Fignotok.Win32.341
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Backdoor.th
SentinelOneDFI – Malicious PE
Trapminemalicious.high.ml.score
EmsisoftGen:Trojan.RegistryDisabler.xHW@aGUtm1eS (B)
APEXMalicious
CyrenW32/Trojan.VVWT-8174
JiangminTrojan/Genome.bawa
WebrootW32.Trojan.Gen
AviraBDS/Backdoor.Gen
Endgamemalicious (high confidence)
ArcabitTrojan.RegistryDisabler.ED1335D
AhnLab-V3Trojan/Win32.Ruftar.R30190
ZoneAlarmBackdoor.Win32.DarkKomet.aceg
MicrosoftBackdoor:Win32/Fynloski.A
TotalDefenseWin32/Fynloski.ZHLKEDD
Acronissuspicious
McAfeeGenericRXDR-OQ!261ADBA7B246
MAXmalware (ai score=100)
VBA32TrojanDropper.Delf
PandaTrj/Genetic.gen
TencentMalware.Win32.Gencirc.101816da
YandexTrojan.Comet.Gen.LO
IkarusWorm.Win32.Agent
MaxSecureDropper.Delf.EFNZ
FortinetW32/DROPPER.PAG!tr
AVGMSIL:GenMalicious-CHX [Trj]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (W)
Qihoo-360Win32/Backdoor.0ba

How to remove Win32/TrojanDropper.Delf.OEF?

Win32/TrojanDropper.Delf.OEF 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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