Categories: Trojan

TrojanDropper:Win32/Delf.BB malicious file

The TrojanDropper:Win32/Delf.BB 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 TrojanDropper:Win32/Delf.BB virus can do?

  • At least one process apparently crashed during execution
  • The binary contains an unknown PE section name indicative of packing
  • The executable is compressed using UPX
  • Authenticode signature is invalid

How to determine TrojanDropper:Win32/Delf.BB?


File Info:

name: A0F76CC52A542E48B829.mlwpath: /opt/CAPEv2/storage/binaries/6e305cdea5b49296d2dc4f5063e541cdeebf2e738477cee22e804bcfcfb1f917crc32: A81BDFE0md5: a0f76cc52a542e48b829ca6539aaaea8sha1: a8c465c9175d778a4c9114257f79c2ed5246fa6csha256: 6e305cdea5b49296d2dc4f5063e541cdeebf2e738477cee22e804bcfcfb1f917sha512: 8862703951e0ade9a9119f8292288420ef84c298a2dce1900e07b4b0d1fc66dbf490fd46a7ba06b1d0f1d50c08acdd12ac093de7e155b82243a7adec6a47e0a7ssdeep: 768:hepnqPS/1szupKmX2duwTK+UP9lcXZ2Q1:EpnqPS/1sapjGdu/9lcP1type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T13AC38D57E2D5ED77C1685AFC5E26811AFABB6B323F0D85468E9A2D0DCD893C40E1C10Esha3_384: 7fd83958a058ca6ac00c51c07eb9d9cfb80b9b21109aa8fe4bfb08fac053aec3742f5ae5aa109e2306906135aab2a464ep_bytes: 558bec81c4dcfeffff53565733c08985timestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

TrojanDropper:Win32/Delf.BB also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
McAfee W32/Fesber.worm.gen
Malwarebytes Bladabindi.Backdoor.Njrat.DDS
VIPRE Trojan.Dropper.Delf.BB
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 004bcce41 )
K7AntiVirus Trojan ( 004bcce41 )
Baidu Win32.Trojan-Dropper.Agent.ad
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Fesber.A
APEX Malicious
BitDefender Trojan.Dropper.Delf.BB
NANO-Antivirus Trojan.Win32.Drop.cspebn
ViRobot Worm.Win32.A.Fesber.4104704
MicroWorld-eScan Trojan.Dropper.Delf.BB
Avast Win32:Agent-AVCC [Trj]
Tencent Backdoor.Win32.Delf.fa
Ad-Aware Trojan.Dropper.Delf.BB
Emsisoft Trojan.Dropper.Delf.BB (B)
Comodo Worm.Win32.Fesber.A@3dvq
F-Secure Worm.WORM/Fesber
DrWeb Win32.HLLW.FSB
Zillya Worm.Fesber.Win32.2900
McAfee-GW-Edition W32/Fesber.worm.gen
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.a0f76cc52a542e48
Sophos W32/Fesber-A
SentinelOne Static AI – Malicious PE
GData Trojan.Dropper.Delf.BB
Jiangmin TrojanDropper.Fesber
Avira WORM/Fesber
Antiy-AVL Worm/Win32.Fesber
Microsoft TrojanDropper:Win32/Delf.BB
AhnLab-V3 Worm/Win32.RL_Fesber.R353758
ALYac Trojan.Dropper.Delf.BB
MAX malware (ai score=85)
Cylance Unsafe
Rising Worm.Win32.Fesber.e (CLASSIC)
Ikarus Worm.Win32.Fesber
Fortinet W32/Fesber@mm
BitDefenderTheta Gen:NN.ZelphiF.34582.hmW@a8uqHWj
AVG Win32:Agent-AVCC [Trj]
Cybereason malicious.52a542

How to remove TrojanDropper:Win32/Delf.BB?

  • 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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