Categories: Malware

NSIS/Kryptik.O removal tips

The NSIS/Kryptik.O 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

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 NSIS/Kryptik.O virus can do?

  • Attempts to connect to a dead IP:Port (3 unique times)
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Starts servers listening on 127.0.0.1:0, 127.0.0.1:6039
  • Expresses interest in specific running processes
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Reads data out of its own binary image
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Attempts to modify desktop wallpaper
  • Creates a hidden or system file
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

Related domains:

ping3.teamviewer.com
master13.teamviewer.com

How to determine NSIS/Kryptik.O?


File Info:

crc32: 7E554FCDmd5: 912c9b44fd2945560bb3b479c170b0f5name: 912C9B44FD2945560BB3B479C170B0F5.mlwsha1: 25be37fd4fd33634cea0a17cbb369f48dd1a1e72sha256: 6b52ea913b7eb0e3ece4410ddc5637da7f9dcbf8889302ee7e73fa220ba2c53csha512: 9401de71c715fa6cbd955ca73824784cd5db9cfc9535da9b8c19cd24d1f4c9f4b28b203f474e9301f8e9a9b4d538a19bfa49da6fcf5142d8e3f56d2bdad5ae5essdeep: 49152:MHn+XHE+KP3XQqNXqlfMFEwNCBZgJgJPEYKrNh21HXp+FiuVWVRAy03jzzZXPnB:MeXHg96VVeCngJKMYK215+Vtygj/ZvBtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

FileVersion: 2.4.2.0Translation: 0x0409 0x04e4

NSIS/Kryptik.O also known as:

K7AntiVirus Trojan ( 0057f8e51 )
Lionic Trojan.Win32.TheRat.l!c
DrWeb Trojan.Siggen14.42980
Sangfor Trojan.Win32.Wacatac.B
CrowdStrike win/malicious_confidence_60% (W)
K7GW Trojan ( 0057f8e51 )
Cyren W32/Trojan.GYGE-8101
Symantec Trojan.Gen.MBT
ESET-NOD32 NSIS/Kryptik.O
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan-Spy.Win32.TheRat.gen
Sophos Mal/Generic-S
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.912c9b44fd294556
Avira TR/AD.RMSRatKit.npwdq
Microsoft Trojan:Linux/Multiverze
ZoneAlarm HEUR:Trojan-Spy.Win32.TheRat.gen
GData Win32.Trojan.Agent.ISTVJK
McAfee Artemis!912C9B44FD29
AVG Win32:Trojan-gen
Qihoo-360 Win32/Trojan.Generic.HoMASYsA

How to remove NSIS/Kryptik.O?

  • 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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