Categories: FakeRansom

Should I remove “Ransom.FakeSig”?

The Ransom.FakeSig 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 Ransom.FakeSig virus can do?

  • Injection with CreateRemoteThread in a remote process
  • Attempts to connect to a dead IP:Port (3 unique times)
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Detected script timer window indicative of sleep style evasion
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • A scripting utility was executed
  • Uses Windows utilities for basic functionality
  • Code injection with CreateRemoteThread in a remote process
  • Installs itself for autorun at Windows startup
  • Attempts to modify proxy settings
  • Uses suspicious command line tools or Windows utilities

Related domains:

z.whorecord.xyz
a.tomx.xyz
geoiptool.com
www.geodatatool.com
ocsp.comodoca.com
ocsp.usertrust.com
crl.usertrust.com

How to determine Ransom.FakeSig?


File Info:

crc32: A18D8F97md5: 9993dc8dfabca3331e3d9b15dc10928dname: 9993DC8DFABCA3331E3D9B15DC10928D.mlwsha1: 8c529a8d526b50ddf5e2c66b591feb1f444acffesha256: 778f30d268f051802cd3b1fe3f8a4bd010f7ab3dae1dc4e6073c0b2f972effb0sha512: 907dc2d6851d9d4e628c272108f5a12b67cd547e74db40450e8141c6ff5179c858cb7021430abd8d440c220707e8a4eecc013b18bfd9f6747d8f0d2bfc3cdf0essdeep: 12288:9Y20AljdZgBPfKfY8qQxAogJfqsUsz0cX0kJ9tdr95aj:S20gPgFKA8qQxAVBbIcXj9tdZCtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom.FakeSig also known as:

K7AntiVirus Riskware ( 0040eff71 )
DrWeb Trojan.Encoder.33333
MicroWorld-eScan Generic.Ransom.Buhtrap.4D947393
ALYac Trojan.Ransom.VegaLocker
Cylance Unsafe
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Generic.29a12777
K7GW Riskware ( 0040eff71 )
Cybereason malicious.dfabca
Symantec Downloader
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Vega.an
BitDefender Generic.Ransom.Buhtrap.4D947393
NANO-Antivirus Trojan.Win32.Vega.iexzsa
Tencent Win32.Trojan.Falsesign.Hvix
Sophos Mal/Generic-S (PUA)
TrendMicro TROJ_FRS.VSNTA721
McAfee-GW-Edition RDN/Ransom
FireEye Generic.Ransom.Buhtrap.4D947393
Emsisoft Generic.Ransom.Buhtrap.4D947393 (B)
Jiangmin Trojan.Scar.roh
Avira TR/Redcap.usjri
eGambit PE.Heur.InvalidSig
Microsoft Program:Win32/Ymacco.AA77
Arcabit Generic.Ransom.Buhtrap.4D947393
AegisLab Trojan.Win32.Vega.j!c
ZoneAlarm Trojan-Ransom.Win32.Vega.an
GData Generic.Ransom.Buhtrap.4D947393
AhnLab-V3 Malware/Win32.Generic.C4293578
McAfee RDN/Ransom
MAX malware (ai score=99)
Malwarebytes Ransom.FakeSig
TrendMicro-HouseCall TROJ_FRS.VSNTA721
Ikarus Trojan.Inject
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Ransom.FakeSig?

  • 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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