Categories: Trojan

Win32/TrojanDropper.Delf.OEF (file analysis)

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: 55398F8Fmd5: 261adba7b246ed7e13410b7b115117a4name: setup.exesha1: 1ab5aa20e097e2d486207b0c305e3243133cf975sha256: 2c17be0153aec37c288fd7256aff65ab3d6c35899d941ea51e1f157080269fb7sha512: 54656955b7cc61b0a94729953604ce6bc3d815e60627faa06f8d548123eb620b83c1e23f18834fb292fced13d371d3f4afb1671354b71e18af687865c21a001fssdeep: 24576:kiBIGkbxqEcjsWiDxguehC2SiiBIGkbxqEcjsWiDxguehC2SL:vCUumo20CUumo2utype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/TrojanDropper.Delf.OEF also known as:

MicroWorld-eScan Gen:Trojan.RegistryDisabler.xHW@aGUtm1eS
FireEye Generic.mg.261adba7b246ed7e
CAT-QuickHeal Backdoor.Fynloski.A9
ALYac Gen:Trojan.RegistryDisabler.xHW@aGUtm1eS
Cylance Unsafe
AegisLab Trojan.Win32.Delf.toJT
Sangfor Malware
K7AntiVirus Trojan ( 004bdc281 )
BitDefender Gen:Trojan.RegistryDisabler.xHW@aGUtm1eS
K7GW Trojan ( 004bdc281 )
Cybereason malicious.7b246e
TrendMicro TROJ_BINDER.SMBD
BitDefenderTheta Gen:Trojan.Heur2.LPTxHW@bGUtm1eSb
F-Prot W32/Trojan2.PZJI
Symantec Backdoor.Breut!gm
ESET-NOD32 Win32/TrojanDropper.Delf.OEF
Baidu Win32.Trojan-Dropper.Delf.as
TrendMicro-HouseCall TROJ_BINDER.SMBD
Avast MSIL:GenMalicious-CHX [Trj]
ClamAV Win.Trojan.DarkKomet-1
GData Gen:Trojan.RegistryDisabler.xHW@aGUtm1eS
Kaspersky Backdoor.Win32.DarkKomet.aceg
Alibaba Backdoor:Win32/DarkKomet.145e9818
NANO-Antivirus Trojan.Win32.Delf.flagce
ViRobot Trojan.Win32.A.Scar.451584.A
Rising Backdoor.Pontoeb!1.6637 (CLASSIC)
Ad-Aware Gen:Trojan.RegistryDisabler.xHW@aGUtm1eS
Sophos Troj/Fynlosk-AK
Comodo TrojWare.Win32.TrojanDropper.Delf.SOC@572vwy
F-Secure Backdoor.BDS/Backdoor.Gen
DrWeb Trojan.Packed.20771
Zillya Trojan.Fignotok.Win32.341
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Backdoor.th
SentinelOne DFI – Malicious PE
Trapmine malicious.high.ml.score
Emsisoft Gen:Trojan.RegistryDisabler.xHW@aGUtm1eS (B)
APEX Malicious
Cyren W32/Trojan.VVWT-8174
Jiangmin Trojan/Genome.bawa
Webroot W32.Trojan.Gen
Avira BDS/Backdoor.Gen
Endgame malicious (high confidence)
Arcabit Trojan.RegistryDisabler.ED1335D
AhnLab-V3 Trojan/Win32.Ruftar.R30190
ZoneAlarm Backdoor.Win32.DarkKomet.aceg
Microsoft Backdoor:Win32/Fynloski.A
TotalDefense Win32/Fynloski.ZHLKEDD
Acronis suspicious
McAfee GenericRXDR-OQ!261ADBA7B246
MAX malware (ai score=100)
VBA32 TrojanDropper.Delf
Panda Trj/Genetic.gen
Tencent Malware.Win32.Gencirc.101816da
Yandex Trojan.Comet.Gen.LO
Ikarus Worm.Win32.Agent
MaxSecure Dropper.Delf.EFNZ
Fortinet W32/DROPPER.PAG!tr
AVG MSIL:GenMalicious-CHX [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Backdoor.0ba

How to remove Win32/TrojanDropper.Delf.OEF?

  • 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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