Backdoor

How to remove “Backdoor.Dropper”?

Malware Removal

The Backdoor.Dropper 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Backdoor.Dropper virus can do?

  • Unconventionial binary language: Russian
  • The binary likely contains encrypted or compressed data.
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Backdoor.Dropper?


File Info:

crc32: 82947517
md5: 0d46411728f5149a9e424596f1dff072
name: by_cortxt.exe
sha1: 23797988d02189244ec8401e4251d9475c9990a0
sha256: cb3a29816914c58f1b489a3493df1ccae03510f3c3a098bf4097010951db8179
sha512: 90ab5e53104548ded7190801f671de229717a901eca0d74bfe6d6fccd1e0cb5c6791f4320da2d6692ca6747ee22e4ee5ae43fc46611853d1d2db72a49a53dc49
ssdeep: 12288:jW05MBJtuLWsLypL8C0e4IO6Nz0gO0fLTA:d5MBJtu/uh8C/4IJjLTA
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

CompanyName:
ProductVersion: 0.0.0.1
ProductName: x422x435x43ax441x442x43ex432
FileVersion: 0.0.0.1
FileDescription: x422x435x43ax441x442x43ex432x44bx439 x434
Translation: 0x0419 0x04e4

Backdoor.Dropper also known as:

K7AntiVirusTrojan ( 0040f2c01 )
MicroWorld-eScanTrojan.MSIL.Injector.MF
CMCBackdoor.Win32.Poison!O
CAT-QuickHealTrojanDropper.Small.PQ4
ALYacTrojan.MSIL.Injector.MF
MalwarebytesBackdoor.Dropper
BitDefenderTrojan.MSIL.Injector.MF
K7GWTrojan ( 0040f2c01 )
CrowdStrikewin/malicious_confidence_100% (D)
ArcabitTrojan.MSIL.Injector.MF
BaiduWin32.Trojan-Dropper.Small.o
CyrenW32/GenTroj.S.gen!Eldorado
ESET-NOD32Win32/TrojanDropper.Small.NMM
TrendMicro-HouseCallTROJ_VBINDER.SM
Paloaltogeneric.ml
ClamAVWin.Trojan.Poison-8692
KasperskyBackdoor.Win32.Poison.ggrf
NANO-AntivirusTrojan.Win32.Poison.cbeljp
ViRobotBackdoor.Win32.Agent.67584.L
RisingDropper.Win32.Small.bnv (CLOUD)
Ad-AwareTrojan.MSIL.Injector.MF
EmsisoftTrojan.MSIL.Injector.MF (B)
ComodoTrojWare.Win32.Ransom.Xorist.ET@4mg4hg
F-SecureHeuristic.HEUR/AGEN.1022100
DrWebTrojan.MulDrop8.22787
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Generic.fc
Trapminemalicious.high.ml.score
SophosTroj/Vbinder-D
SentinelOneDFI – Malicious PE
GDataTrojan.MSIL.Injector.MF
JiangminBackdoor/Poison.abtg
AviraHEUR/AGEN.1022100
MicrosoftVirTool:Win32/Vbinder
Endgamemalicious (high confidence)
ZoneAlarmBackdoor.Win32.Poison.ggrf
TACHYONBackdoor/W32.Poison.402944.B
AhnLab-V3Backdoor/Win32.Poison.R72119
Acronissuspicious
McAfeeGenericRXAC-LG!0D46411728F5
MAXmalware (ai score=100)
VBA32Backdoor.Poison
PandaTrj/Injector.BH
TencentWin32.Trojan.Fakedoc.Auto
YandexTrojan.Oxij.Gen.LA
IkarusBackdoor.Poison
eGambitUnsafe.AI_Score_99%
FortinetW32/Xorist.ET!tr
AVGWin32:GenMalicious-NUS [Trj]
Cybereasonmalicious.728f51
AvastWin32:GenMalicious-NUS [Trj]
Qihoo-360Win32/Backdoor.Poison.B

How to remove Backdoor.Dropper?

Backdoor.Dropper removal tool
  • 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.

About the author

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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