Categories: Trojan

What is “TrojanDownloader:Win32/Delf.QX”?

The TrojanDownloader:Win32/Delf.QX 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 TrojanDownloader:Win32/Delf.QX virus can do?

  • Creates RWX memory
  • Unconventionial language used in binary resources: Korean
  • The executable is compressed using UPX
  • Deletes its original binary from disk
  • Network activity detected but not expressed in API logs
  • Creates a copy of itself
  • Anomalous binary characteristics

How to determine TrojanDownloader:Win32/Delf.QX?


File Info:

crc32: 7DDE2841md5: 3008e17a861868d1c13fdce39f394578name: 3008E17A861868D1C13FDCE39F394578.mlwsha1: bef371e99b606f64eea3ab8133827e7e62539a6bsha256: dda36f7916eafc2ae3ed26234fb5b782703ebccb21e25eb724fbf5936163e223sha512: fe6c4230eab423495165423a4d810b73a4272b3f27620f83ad8795b0d91db18fb4307d4eb2753f3dc58b2f7e94cc9e7b3217d77cfe9b5ebf732e27ad7fd4b6f6ssdeep: 12288:zXM+XeFbEqc6FA2DWUnVYfMAmSpUi0WDo10XHACsmqp5ZI:zc+Oa6FA2DW+YMAylcU0XHXDtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

TrojanDownloader:Win32/Delf.QX also known as:

Elastic malicious (high confidence)
DrWeb Trojan.DownLoader2.64248
MicroWorld-eScan Gen:Variant.Zusy.10555
FireEye Generic.mg.3008e17a861868d1
McAfee GenericRXAA-FA!3008E17A8618
Cylance Unsafe
VIPRE Trojan.Win32.Generic.pak!cobra
AegisLab Worm.Win32.Fasong.l4hb
Sangfor Malware
K7AntiVirus Trojan ( 004bcce41 )
BitDefender Gen:Variant.Zusy.10555
K7GW Trojan ( 004bcce41 )
Cybereason malicious.a86186
BitDefenderTheta Gen:NN.ZelphiF.34804.QmW@a0ZWR5gO
Cyren W32/Agent.JI.gen!Eldorado
Symantec ML.Attribute.HighConfidence
TotalDefense Win32/SillyDl.I!generic
APEX Malicious
Avast Win32:Downloader-HUA [Trj]
ClamAV Win.Trojan.Downloader-67956
Kaspersky HEUR:Trojan-Downloader.Win32.Generic
NANO-Antivirus Trojan.Win32.TrjGen.dtrbxx
Ad-Aware Gen:Variant.Zusy.10555
Sophos ML/PE-A + Mal/Troxen-F
Comodo Packed.Win32.MUPX.Gen@24tbus
F-Secure Trojan.TR/Crypt.XPACK.Gen
Zillya Downloader.Delf.Win32.45216
TrendMicro TROJ_AGENT_017367.TOMB
McAfee-GW-Edition BehavesLike.Win32.Worm.jh
Emsisoft Gen:Variant.Zusy.10555 (B)
Ikarus Gen.Variant.Buzy
Jiangmin TrojanDownloader.Generic.bom
Avira TR/Crypt.XPACK.Gen
MAX malware (ai score=89)
Antiy-AVL Trojan[Downloader]/Win32.Genome
Microsoft TrojanDownloader:Win32/Delf.QX
Arcabit Trojan.Zusy.D293B
ZoneAlarm HEUR:Trojan-Downloader.Win32.Generic
GData Gen:Variant.Zusy.10555
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Overtls.R1648
Acronis suspicious
VBA32 TrojanDownloader.Genome
ALYac Gen:Variant.Zusy.10555
Malwarebytes Malware.AI.2402567912
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/TrojanDownloader.Delf.QPQ
TrendMicro-HouseCall TROJ_AGENT_017367.TOMB
Rising Trojan.Downloader!1.9D4D (CLASSIC)
Yandex Trojan.GenAsa!8P1mgkiTzgU
SentinelOne Static AI – Malicious PE
Fortinet W32/Delf.BHO!tr.dldr
AVG Win32:Downloader-HUA [Trj]
CrowdStrike win/malicious_confidence_90% (D)
Qihoo-360 HEUR/QVM05.1.Malware.Gen

How to remove TrojanDownloader:Win32/Delf.QX?

  • 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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