Categories: Trojan

TrojanDownloader:Win32/Fosniw.C (file analysis)

The TrojanDownloader:Win32/Fosniw.C 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/Fosniw.C virus can do?

  • Attempts to connect to a dead IP:Port (7 unique times)
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Korean
  • Installs itself for autorun at Windows startup
  • Attempts to modify proxy settings
  • Creates a copy of itself

Related domains:

p.iekeyword.com
app.iekeyword.com
iekeyword.com
ww9.iekeyword.com
parkingcrew.net
iyfsearch.com
i3.cdn-image.com
pxlgnpgecom-a.akamaihd.net

How to determine TrojanDownloader:Win32/Fosniw.C?


File Info:

crc32: 61698E36md5: ffa183e2509b881c589c767852a1e96cname: FFA183E2509B881C589C767852A1E96C.mlwsha1: 899123e938facdb6fc41ce0df48def1f4b5cfbccsha256: ddfcbff51caf75ac2f83e3ce0dbed57c6d959c5c4923b33f695edc7478966475sha512: 1a2b5dd2a8e94ec556e8f614d25ad299ccbf3d7d81d69201c5d4aabfb22f717c82a1bfeb6c2f0d75784ee1b1790313949a2032fabb93148bfed3a08876e381dfssdeep: 3072:gva/UI04no3vJiMsSKLXMBSRExbbbfx7003bVR8+O45TGqbH:t/x04nAxAB7MBFbpAwVRSmGCtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

TrojanDownloader:Win32/Fosniw.C also known as:

Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
DrWeb Trojan.DownLoad2.19665
MicroWorld-eScan Gen:Variant.Regie.1
FireEye Generic.mg.ffa183e2509b881c
ALYac Gen:Variant.Regie.1
Cylance Unsafe
VIPRE Trojan.Win32.Generic!SB.0
Sangfor Malware
BitDefender Gen:Variant.Regie.1
BitDefenderTheta Gen:NN.ZexaF.34804.ouW@ayhQFEoG
Cyren W32/Fosniw.D.gen!Eldorado
Symantec W32.Palevo
TotalDefense Win32/AdClicker.DXU
APEX Malicious
Avast Win32:Fosniw-N [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Trojan.Win32.Fosniw.deqail
Tencent Win32.Worm-P2P.Palevo.dsuz
Ad-Aware Gen:Variant.Regie.1
Sophos ML/PE-A + Troj/Fosniw-F
Comodo TrojWare.Win32.TrojanDownloader.Agent.kfh@2no45n
F-Secure P2P-Worm:W32/Palevo.DT
TrendMicro TROJ_FOSNIW.SMIB
McAfee-GW-Edition BehavesLike.Win32.Generic.dh
Emsisoft Gen:Variant.Regie.1 (B)
Ikarus Trojan.Win32.Regie
Jiangmin Worm/Palevo.butm
Webroot W32.Malware.Gen
Avira BDS/Backdoor.Gen2
MAX malware (ai score=100)
Antiy-AVL Trojan[Downloader]/Win32.Fosniw.au
Kingsoft Win32.Troj.Fosniw.a.(kcloud)
Microsoft TrojanDownloader:Win32/Fosniw.C
Arcabit Trojan.Regie.1
SUPERAntiSpyware Trojan.Agent/Gen-TrojanDownloader
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Regie.1
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/Regie.Gen
McAfee Downloader-FBFT!FFA183E2509B
VBA32 BScope.Trojan.Occamy
Malwarebytes Malware.AI.2157690715
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/TrojanDownloader.Fosniw.AU
TrendMicro-HouseCall TROJ_FOSNIW.SMIB
Rising Trojan.DL.Win32.Fosniw.a (CLOUD)
Yandex Trojan.GenAsa!HcvbbIeEA5E
SentinelOne Static AI – Suspicious PE
eGambit Unsafe.AI_Score_95%
Fortinet W32/Kryptik.ANY!tr
AVG Win32:Fosniw-N [Trj]
Cybereason malicious.2509b8
Qihoo-360 Win32/Trojan.edf

How to remove TrojanDownloader:Win32/Fosniw.C?

  • 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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