Categories: Backdoor

Backdoor:Win32/Delf.PD (file analysis)

The Backdoor:Win32/Delf.PD 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:Win32/Delf.PD virus can do?

  • Sample contains Overlay data
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid

How to determine Backdoor:Win32/Delf.PD?


File Info:

name: E8DA3ACF45D881C09A50.mlwpath: /opt/CAPEv2/storage/binaries/7b6ec9d4ce7ff41f367b8cc59ea09120e79cdf9d8742b12bb37fc421734a2eb9crc32: 1D5932C0md5: e8da3acf45d881c09a50e67e9dab549fsha1: 1804b52f600047d9ed378427464d8ba179552903sha256: 7b6ec9d4ce7ff41f367b8cc59ea09120e79cdf9d8742b12bb37fc421734a2eb9sha512: 89f1551b0ae3242299a8a927f92382ef778b38aa7f87be61e42d232e0abe056ab0ae111d7048a095c34d486ba3d3422d1512fd7d7a2ae1f90d40d839b04a9185ssdeep: 24576:xqDqZutOAQS+6moGcmiQo5e2H+LFwnNl6vRszQfRaPQKiK8jvA557//zEFehX/ys:gDpjE3RszQ8IKj7//zEghXo0F+0Dtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T186957E32B7918837C5631E3C4D6BA399A52DBE103E28994B7BFC2D4C1F396413D29297sha3_384: a3d205d7685fae514c357b4b124995d9ea89581476480e97ce5a80edbf869db74b903f1c54257f73deaad59d94aedeebep_bytes: 558bec83c4f0b89c805400e8c0d9ebfftimestamp: 2009-11-21 10:59:12

Version Info:

CompanyName: 日出工作室FileDescription: FileVersion: 3.0.0.0InternalName: LegalCopyright: LegalTrademarks: OriginalFilename: ProductName: ProductVersion: 1.0.0.0Comments: Translation: 0x0804 0x03a8

Backdoor:Win32/Delf.PD also known as:

Bkav W32.OverlayyVM.PE
Lionic Trojan.Win32.Delf.tp7n
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKDZ.94883
ClamAV Win.Trojan.Delf-13128
FireEye Trojan.GenericKDZ.94883
ALYac Trojan.GenericKDZ.94883
Cylance unsafe
Zillya Backdoor.Delf.Win32.6123
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 7000000f1 )
Alibaba Backdoor:Win32/Dropr.9cad0341
K7GW Trojan ( 7000000f1 )
Cybereason malicious.f60004
VirIT Backdoor.Win32.Generic.ZXO
Cyren W32/Agent.DY.gen!Eldorado
Symantec SMG.Heur!gen
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Backdoor.Win32.Delf.rvd
BitDefender Trojan.GenericKDZ.94883
SUPERAntiSpyware Trojan.Agent/Gen-Delf
Tencent Backdoor.Win32.Delf.c
Emsisoft Trojan.GenericKDZ.94883 (B)
DrWeb Trojan.MulDrop3.2401
VIPRE Trojan.GenericKDZ.94883
TrendMicro TROJ_FAM_0000162.TOMA
McAfee-GW-Edition BehavesLike.Win32.Generic.th
Sophos Troj/Agent-BBWE
Ikarus Trojan-Dropper.Delf
GData Trojan.GenericKDZ.94883
Jiangmin Backdoor/Delf.wyj
Antiy-AVL Trojan[Backdoor]/Win32.Delf
Xcitium TrojWare.Win32.Delf.NOD1@1m1ejb
Arcabit Trojan.Generic.D172A3
ZoneAlarm Backdoor.Win32.Delf.rvd
Microsoft Backdoor:Win32/Delf.PD
Google Detected
AhnLab-V3 Trojan/Win32.Xema.C24055
Acronis suspicious
McAfee Generic.bou
MAX malware (ai score=83)
Malwarebytes Generic.Malware.AI.DDS
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_FAM_0000162.TOMA
Rising Backdoor.Delf!8.780 (CLOUD)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/GenericKDZ.94883!dam
DeepInstinct MALICIOUS

How to remove Backdoor:Win32/Delf.PD?

  • 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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