Categories: SpyTrojan

Trojan.Nsis.Spy.Gen.1 (B) removal guide

The Trojan.Nsis.Spy.Gen.1 (B) 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 Trojan.Nsis.Spy.Gen.1 (B) virus can do?

  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Executable code extraction
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Executed a process and injected code into it, probably while unpacking
  • Installs itself for autorun at Windows startup
  • Network activity detected but not expressed in API logs
  • Detects VirtualBox through the presence of a file
  • Detects VMware through the presence of a file
  • Creates a copy of itself
  • Harvests credentials from local FTP client softwares
  • Harvests information related to installed mail clients
  • Anomalous binary characteristics

How to determine Trojan.Nsis.Spy.Gen.1 (B)?


File Info:

crc32: AA16151Cmd5: 735b721fab5155421daa6e98df7f1798name: 735B721FAB5155421DAA6E98DF7F1798.mlwsha1: 0579f60b6153e79572c9742db42060519caa5101sha256: 4d7f5d6322935ee744ab4a0db255ca4720c2a64aa6760bb987349399165bb010sha512: ff9821e8c45b664bd93174c0978f5bfc3de6bc1db3e6bca8cb3ae3181fe8e44fc573e6cde38f8ade1c915f010e7f1d36cff37c26c4cd0b9cf487ad047980825essdeep: 12288:WMwOVw7SS8WineieET8dq8vVo003HAszK4g0UT:WMwX7SNqdNva5gsM0UTtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Nsis.Spy.Gen.1 (B) also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
BitDefender Trojan.Nsis.Spy.Gen.1
Cybereason malicious.fab515
APEX Malicious
Cynet Malicious (score: 99)
MicroWorld-eScan Trojan.Nsis.Spy.Gen.1
McAfee-GW-Edition BehavesLike.Win32.Dropper.gc
FireEye Generic.mg.735b721fab515542
Emsisoft Trojan.Nsis.Spy.Gen.1 (B)
Avira HEUR/AGEN.1141442
Microsoft Trojan:Win32/Woreflint.A!cl
Arcabit Trojan.Nsis.Spy.Gen.1
GData Zum.Androm.1
MAX malware (ai score=84)
Fortinet W32/Injector.EOZI!tr

How to remove Trojan.Nsis.Spy.Gen.1 (B)?

  • 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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