Categories: Backdoor

Dropped:Backdoor.MSIL.Agent.GD (B) removal

The Dropped:Backdoor.MSIL.Agent.GD (B) 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 Dropped:Backdoor.MSIL.Agent.GD (B) virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Possible date expiration check, exits too soon after checking local time
  • Creates RWX memory
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Attempts to remove evidence of file being downloaded from the Internet
  • A process was set to shut the system down when terminated
  • Installs itself for autorun at Windows startup
  • Exhibits behavior characteristic of Nanocore RAT
  • Creates a hidden or system file
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

How to determine Dropped:Backdoor.MSIL.Agent.GD (B)?


File Info:

crc32: 28846D63md5: eb740f772ba94f507930dc3692355191name: EB740F772BA94F507930DC3692355191.mlwsha1: a42fb04c0efca925b98008aed5f5be10c323a68csha256: 66d02c1d5598993e3662aa0584132f79e51a7786bcc2cb51223823320f5f6537sha512: 92979c8992cb01bbd128c962a5d8b6fe61c81685722cbcfaabb4bdf78e65ba5e59b470debb112f2f305ce582d6135509a8241b1ae9597163ece1970c5ccd7c00ssdeep: 12288:dLV6BtpmkT+LsUcwzhfLV6BtpmkTuA+eXsaDCUR:1ApfipFhjApfS7d6CURtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Dropped:Backdoor.MSIL.Agent.GD (B) also known as:

Bkav W32.AIDetectVM.malware1
K7AntiVirus Trojan ( 004bdc281 )
Elastic malicious (high confidence)
DrWeb Trojan.Packed.20771
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Orbus.C3
ALYac Dropped:Backdoor.MSIL.Agent.GD
Cylance Unsafe
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (D)
Alibaba TrojanDropper:Win32/Noancooe.f51aa4eb
K7GW Trojan ( 004bdc281 )
Cybereason malicious.72ba94
Baidu Win32.Trojan-Dropper.Delf.as
Cyren W32/Trojan.VVWT-8174
Symantec Trojan.Nancrat
ESET-NOD32 Win32/TrojanDropper.Delf.OEF
APEX Malicious
TotalDefense Win32/Fynloski.ZHLKEDD
Avast MSIL:NanoCore-B [Trj]
ClamAV Win.Trojan.Nanocore-5
Kaspersky Trojan-Dropper.Win32.Delf.eimp
BitDefender Dropped:Backdoor.MSIL.Agent.GD
NANO-Antivirus Trojan.Win32.Delf.flagce
ViRobot Trojan.Win32.A.Scar.451584.A
MicroWorld-eScan Dropped:Backdoor.MSIL.Agent.GD
Tencent Malware.Win32.Gencirc.10b0cf09
Ad-Aware Dropped:Backdoor.MSIL.Agent.GD
Sophos ML/PE-A
Comodo TrojWare.Win32.TrojanDropper.Delf.SOC@572vwy
F-Secure Trojan.TR/Dropper.MSIL.Gen7
BitDefenderTheta AI:Packer.8791DE7B1E
VIPRE Trojan.MSIL.NanoCore.B (fs)
TrendMicro TROJ_BINDER.SMBD
McAfee-GW-Edition BehavesLike.Win32.Generic.gc
FireEye Generic.mg.eb740f772ba94f50
Emsisoft Dropped:Backdoor.MSIL.Agent.GD (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Genome.bawa
Avira TR/Dropper.MSIL.Gen7
eGambit Trojan.Generic
Antiy-AVL Trojan[Dropper]/Win32.Delf.efnz
Microsoft Backdoor:MSIL/Noancooe.A
Gridinsoft Backdoor.Win32.Gen.zv!s1
Arcabit Backdoor.MSIL.Agent.GD
ZoneAlarm Trojan-Dropper.Win32.Delf.eimp
GData Dropped:Backdoor.MSIL.Agent.GD
AhnLab-V3 Trojan/Win32.Ruftar.R30190
Acronis suspicious
McAfee GenericRXDR-OQ!EB740F772BA9
MAX malware (ai score=83)
VBA32 TrojanDropper.Delf
Malwarebytes Trojan.Agent.DF
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_BINDER.SMBD
Rising Trojan.Dropper!1.C7FF (CLASSIC)
Yandex Trojan.GenAsa!mL69tvFKrYE
Ikarus Backdoor.Rat.Nanocore
MaxSecure Dropper.Delf.EFNZ
Fortinet W32/DROPPER.PAG!tr
AVG MSIL:NanoCore-B [Trj]
Qihoo-360 Win32/Trojan.Dropper.252

How to remove Dropped:Backdoor.MSIL.Agent.GD (B)?

  • 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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