Trojan

TrojanDownloader:Win32/Fosniw.G removal tips

Malware Removal

The TrojanDownloader:Win32/Fosniw.G 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.
6-day free trial available.

What TrojanDownloader:Win32/Fosniw.G virus can do?

  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid

How to determine TrojanDownloader:Win32/Fosniw.G?


File Info:

name: 4A09DCABFB58F7269CB7.mlw
path: /opt/CAPEv2/storage/binaries/67b7329a6b964c4ad8456e74dadb375a0bfea8c3cc23ac71b799a77a19438e8d
crc32: EE89D308
md5: 4a09dcabfb58f7269cb7edbcd4bc90cd
sha1: 0b6e14aab989c2b1947fcb179e1c843aaae11c7c
sha256: 67b7329a6b964c4ad8456e74dadb375a0bfea8c3cc23ac71b799a77a19438e8d
sha512: 3b0c23527f28ac616d11fc4bc9c904a44a418054955d61a28356485fabadb440b8afec20bed425a4055dce9167233cea2736c79ebfad7d85f3e6ca4ef0c3885f
ssdeep: 1536:KotrXtDaySBTgrx0AUD62/drThWA5I1PhNBjggjxbT8SeqiWdjQsKxIsnouy8:KoXDzoTgSP62/RThte1lzjxbwdqiWpQB
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A293129BF4F3A5AEC0DFA53B5ADE18092B88D8D4EE2CA8164DC471A779437D0F803545
sha3_384: a3bf1cb74390b56bada409aeaec90c020b971d6347f3d3a94dced253c8997069bf39388ab7c9946c12ff06ad96b38261
ep_bytes: 60be001043008dbe0000fdff5789e58d
timestamp: 2010-12-24 11:35:35

Version Info:

0: [No Data]

TrojanDownloader:Win32/Fosniw.G also known as:

LionicTrojan.Win32.Scar.mroK
Elasticmalicious (moderate confidence)
MicroWorld-eScanGen:Variant.Babar.85533
ClamAVWin.Trojan.Fosniw-9914
FireEyeGeneric.mg.4a09dcabfb58f726
CAT-QuickHealTrojanDownloader.Fosniw.C5
ALYacGen:Variant.Babar.85533
CylanceUnsafe
ZillyaTrojan.Scar.Win32.56300
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 004edc381 )
K7GWTrojan ( 004edc381 )
CrowdStrikewin/malicious_confidence_70% (W)
CyrenW32/Injector.A.gen!Eldorado
SymantecW32.Palevo
tehtrisGeneric.Malware
ESET-NOD32a variant of Win32/TrojanDownloader.Fosniw.AU
APEXMalicious
Paloaltogeneric.ml
CynetMalicious (score: 100)
KasperskyTrojan.Win32.Scar.ejnc
BitDefenderGen:Variant.Babar.85533
NANO-AntivirusTrojan.Win32.Scar.cjwukp
AvastWin32:Fosniw-E [Trj]
TencentWin32.Trojan.Scar.Tgil
Ad-AwareGen:Variant.Babar.85533
EmsisoftGen:Variant.Babar.85533 (B)
ComodoApplicUnwnt.Win32.AdWare.Agent.cljb@4f3c9v
DrWebTrojan.DownLoad.64278
VIPREGen:Variant.Babar.85533
TrendMicroTROJ_AGENT_011993.TOMB
McAfee-GW-EditionBehavesLike.Win32.Generic.nc
Trapminemalicious.high.ml.score
SophosML/PE-A + Mal/Behav-044
IkarusGen.Variant.Cudos
GDataGen:Variant.Babar.85533
JiangminAdWare/IEKeyword.a
AviraTR/Dldr.Fosniw.BA
MAXmalware (ai score=83)
ZoneAlarmHEUR:Trojan.Win32.Generic
MicrosoftTrojanDownloader:Win32/Fosniw.G
GoogleDetected
AhnLab-V3Win-Trojan/Winsoft32.Gen
McAfeeGenericRXAA-FA!4A09DCABFB58
VBA32BScope.Trojan.Occamy
MalwarebytesMalware.Heuristic.1003
TrendMicro-HouseCallTROJ_AGENT_011993.TOMB
RisingDownloader.Fosniw!8.9DA (TFE:5:BKV9TnNsHrM)
YandexTrojan.GenAsa!nlwFEBzWY0A
SentinelOneStatic AI – Suspicious PE
FortinetW32/Dloader.ANW!tr
BitDefenderThetaAI:Packer.AD235E961E
AVGWin32:Fosniw-E [Trj]
Cybereasonmalicious.bfb58f
PandaTrj/CI.A

How to remove TrojanDownloader:Win32/Fosniw.G?

TrojanDownloader:Win32/Fosniw.G 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.

Leave a Comment