Categories: Malware

Nemesis.8609 (file analysis)

The Nemesis.8609 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 Nemesis.8609 virus can do?

  • Sample contains Overlay data
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Performs HTTP requests potentially not found in PCAP.
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Attempts to modify proxy settings
  • Deletes executed files from disk

How to determine Nemesis.8609?


File Info:

name: F54DE89BB09EE1D55DBC.mlwpath: /opt/CAPEv2/storage/binaries/007a8cd2423b3397492f99561c113f68e6f3683c9400ea239a8ac5d826c6a2aecrc32: AE6ECB24md5: f54de89bb09ee1d55dbcc2b03e55d352sha1: 5fb0c7d099d268a0ecbc7feadcbb50f5b5162d5bsha256: 007a8cd2423b3397492f99561c113f68e6f3683c9400ea239a8ac5d826c6a2aesha512: 657f13d4ec1954c88b81b9ae1a3f7b3864dfb1295aa91eaf39d49520f09db4f3edd0e8c600e0c09b697bc69f8751c6c6bc66f37b88b042bd928da71888d71307ssdeep: 3072:erV1c41Utsu5QWoGKy+mXAMEcGl1uYHECcpvrn6J/:eo4UrQWoXy+Z9ck1TdcAtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12DD3011297B0C027ECB30F301E7E46525BB9E16921A4971B2768DF9C3E37742CC5E6A2sha3_384: 98762da0b1160a22e61af4c0571e4bb5253154329e3ee42eb5f5ff537d287dc9e2422c54054fe239a791685ce4627a7bep_bytes: 81ecd40200005356576a205f33db6801timestamp: 2017-08-01 00:35:01

Version Info:

Comments: sdbrtfnfhsehhsehhseh brtfn xxx iInstall software 32Translation: 0x0409 0x04b0

Nemesis.8609 also known as:

Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Nemesis.8609
FireEye Generic.mg.f54de89bb09ee1d5
ALYac Gen:Trojan.Heur.RP.dmGfbawc4Hc
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.99079
Sangfor Suspicious.Win32.Save.ins
K7AntiVirus Trojan-Downloader ( 00520c311 )
Alibaba Malware:Win32/km_2c3f9.None
K7GW Trojan-Downloader ( 00520c311 )
Cybereason malicious.bb09ee
Cyren W32/Tovkater.O.gen!Eldorado
Symantec ML.Attribute.HighConfidence
tehtris Generic.Malware
ESET-NOD32 Win32/TrojanDownloader.Tovkater.IC
APEX Malicious
Paloalto generic.ml
ClamAV Win.Malware.Tovkater-6956309-0
Kaspersky Trojan-Downloader.Win32.Tovkater.botb
BitDefender Gen:Variant.Nemesis.8609
NANO-Antivirus Riskware.Win32.InstMonster.ewfgnd
SUPERAntiSpyware Trojan.Agent/Gen-Tovkater
Avast Win32:Malware-gen
Tencent Win32.Trojan-Downloader.Tovkater.Kzfl
Sophos Generic ML PUA (PUA)
Comodo ApplicUnwnt@#3v7murujfje29
DrWeb Trojan.DownLoader26.3208
VIPRE Gen:Variant.Nemesis.8609
TrendMicro TROJ_GEN.R002C0PD822
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
Trapmine suspicious.low.ml.score
Emsisoft Gen:Variant.Nemesis.8609 (B)
SentinelOne Static AI – Suspicious PE
GData NSIS.Trojan-Downloader.Tovkater.C
Google Detected
Avira HEUR/AGEN.1210120
Antiy-AVL Trojan/Generic.ASMalwS.3E79
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Downloader/Win32.Tovkater.C2311989
McAfee Artemis!F54DE89BB09E
MAX malware (ai score=96)
VBA32 BScope.Trojan.Downloader
Malwarebytes Generic.Trojan.Malicious.DDS
TrendMicro-HouseCall TROJ_GEN.R002C0PD822
Rising Downloader.Tovkater/NSIS!1.AF36 (CLASSIC:bWQ1Om/xwo3OuoXG)
Yandex Trojan.GenAsa!qhYl4EpQjKc
Ikarus Trojan-Downloader.Win32.Tovkater
Fortinet W32/Tovkater.IA!tr.dldr
BitDefenderTheta AI:Packer.279156441E
AVG Win32:Malware-gen
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (W)

How to remove Nemesis.8609?

  • 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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