Categories: Malware

What is “Win32/Delf.OEU”?

The Win32/Delf.OEU 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/Delf.OEU virus can do?

Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
Uses Windows utilities for basic functionality
Unconventionial language used in binary resources: Portuguese (Brazilian)
The binary contains an unknown PE section name indicative of packing
Authenticode signature is invalid
Uses Windows utilities to create a scheduled task
Appears to use command line obfuscation
Creates a copy of itself
Disables Windows firewall
Uses suspicious command line tools or Windows utilities

How to determine Win32/Delf.OEU?


File Info:
name: 2EAC5743A1928DA120A3.mlwpath: /opt/CAPEv2/storage/binaries/adb4eb5bf2b0c07f255279fb472edd24d13be9b24cea224e36bf65afb1b2b8aacrc32: 48E52F82md5: 2eac5743a1928da120a3383c8017c6c4sha1: 1e7117ac6efdddf5ed2bbcd44666a5d1dac452e8sha256: adb4eb5bf2b0c07f255279fb472edd24d13be9b24cea224e36bf65afb1b2b8aasha512: 0fc89be083d0d41e61e7465f62342d2cdf7ee8668172b4e41d665f2aebada9d5192e44cd574760d3a9e31181a39c9af22da04b699c77b06513322186b8c3a47dssdeep: 12288:Lz5P8nTktFxkdsES/Y/rnjz2FkSgoaL7FgFZGsS:PR8AFxkGESA7iPuAZUtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1BED4AF72B2E14533D1671A3D9C1FE3689C39BF103E2869466BF51C4C8F39781792A2A7sha3_384: 0d17f84a8c09a6f2edc2c3fd5801023a5b0efb04b17a3665027b39ab280a111f77736c5e0c481a007629615c9275ec3eep_bytes: 558bec83c4f0b890134700e8b448f9fftimestamp: 1992-06-19 22:22:17
Version Info:
0: [No Data]

Win32/Delf.OEU also known as:

MicroWorld-eScan	Gen:Trojan.Keylogger.MGW@aqmXvbfG
FireEye	Generic.mg.2eac5743a1928da1
Skyhigh	BehavesLike.Win32.Dropper.jh
ALYac	Gen:Trojan.Keylogger.MGW@aqmXvbfG
Zillya	Trojan.Cosmu.Win32.1599
K7AntiVirus	Trojan ( 7000000f1 )
Alibaba	Trojan:Win32/Cosmu.90de5699
K7GW	Trojan ( 7000000f1 )
Cybereason	malicious.3a1928
BitDefenderTheta	Gen:NN.ZelphiF.36802.MGW@aqmXvbfG
Symantec	ML.Attribute.HighConfidence
Elastic	malicious (high confidence)
ESET-NOD32	a variant of Win32/Delf.OEU
APEX	Malicious
TrendMicro-HouseCall	TROJ_COSMU.AT
ClamAV	Win.Trojan.Agent-203813
Kaspersky	HEUR:Trojan.Win32.Agent.gen
BitDefender	Gen:Trojan.Keylogger.MGW@aqmXvbfG
NANO-Antivirus	Trojan.Win32.Cosmu.eaxtf
Avast	Win32:Cosmu-J [Trj]
Sophos	Mal/Generic-S
F-Secure	Backdoor.BDS/Agent.ETQ.1
DrWeb	Trojan.DownLoader30.25440
VIPRE	Gen:Trojan.Keylogger.MGW@aqmXvbfG
TrendMicro	TROJ_COSMU.AT
Trapmine	malicious.moderate.ml.score
Emsisoft	Gen:Trojan.Keylogger.MGW@aqmXvbfG (B)
Ikarus	Trojan.Win32.Cosmu
Jiangmin	Trojan/Cosmu.cdz
Google	Detected
Avira	BDS/Agent.ETQ.1
Varist	W32/Risk.WVBI-6832
Antiy-AVL	Trojan/Win32.Cosmu
Kingsoft	Win32.Trojan.Generic.a
Xcitium	TrojWare.Win32.Cosmu.T@1yx0j0
Arcabit	Trojan.Keylogger.ED131C9
ViRobot	Trojan.Win32.Cosmu.634880.B
ZoneAlarm	HEUR:Trojan.Win32.Agent.gen
GData	Gen:Trojan.Keylogger.MGW@aqmXvbfG
Cynet	Malicious (score: 99)
AhnLab-V3	Trojan/Win32.Cosmu.C29965
McAfee	Generic.bor
VBA32	BScope.Trojan.Downloader
Panda	Trj/StartPage.DAW
Rising	Trojan.Fuery!8.EAFB (TFE:4:KXBrvb1TDdE)
Yandex	Trojan.GenAsa!+L2CXW0pIcs
SentinelOne	Static AI – Malicious PE
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	W32/Delf.NUC!tr
AVG	Win32:Cosmu-J [Trj]
DeepInstinct	MALICIOUS
CrowdStrike	win/malicious_confidence_70% (D)
alibabacloud	Trojan:Win/MGW