Categories: Trojan

Trojan-Dropper.Win32.Sysn.cirf removal guide

The Trojan-Dropper.Win32.Sysn.cirf 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-Dropper.Win32.Sysn.cirf virus can do?

  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Uses Windows utilities for basic functionality
  • Attempts to execute a binary from a dead or sinkholed URL
  • Installs itself for autorun at Windows startup
  • Exhibits possible ransomware file modification behavior
  • Creates a hidden or system file
  • Attempts to disable Windows Defender
  • Attempts to create or modify system certificates
  • Uses suspicious command line tools or Windows utilities

How to determine Trojan-Dropper.Win32.Sysn.cirf?


File Info:

crc32: 94F3F7A4md5: f69a1458d72798fd11c960027c44d6f1name: F69A1458D72798FD11C960027C44D6F1.mlwsha1: ffb6656801eadfc6f9e438b4d0087b532a1c0d5fsha256: 7b324ada9d49164fc6b817bc34cf825ef2668c89d18bb79d15fa4869df6c516fsha512: 1a13481cf3c6ff3e44907d055501c595f2e27ad3e84c14711b3f8390c126d5caa7b7014a59b39496421da625aa3f2c6dcad80741a1e8d40cb27810b8c3e9f781ssdeep: 49152:81qUuEYVtWLTSgUFS2teqczP5b5yCkFqRdMe94:81EdVaSgUBtevyfcRR4type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 Alexander Roshal 1993-2010InternalName: WinRAR InstallerFileVersion: 5.40CompanyName: Alexander RoshalBuilder: 19:27:31Created: v3.1.0.18ProductName: WinRAR InstallerProductVersion: 5.40FileDescription: WinRAR InstallerOriginalFilename: SetupWinRAR.exeTranslation: 0x0000 0x04b0

Trojan-Dropper.Win32.Sysn.cirf also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Riskware ( 0040eff71 )
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.30508444
Cylance Unsafe
Zillya Dropper.Sysn.Win32.7137
Sangfor Trojan.Win32.Sysn.dneew
Alibaba TrojanDropper:Win32/MulDropper.f33fe515
K7GW Riskware ( 0040eff71 )
Cybereason malicious.8d7279
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Dropper.Win32.Sysn.cirf
BitDefender Trojan.GenericKD.30508444
MicroWorld-eScan Trojan.GenericKD.30508444
Tencent Win32.Trojan-dropper.Sysn.Edxi
Ad-Aware Trojan.GenericKD.30508444
Sophos Mal/Generic-S
Comodo Malware@#19dh0y7kfcbi0
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Ransomware.tc
FireEye Trojan.GenericKD.30508444
Emsisoft Trojan.GenericKD.30508444 (B)
Microsoft Trojan:Win32/Occamy.B
Arcabit Trojan.Generic.D1D1859C
AegisLab Trojan.Win32.Sysn.4!c
GData Trojan.GenericKD.30508444
McAfee Artemis!F69A1458D727
MAX malware (ai score=94)
VBA32 TrojanDropper.Sysn
Panda Trj/CI.A
Yandex Trojan.DR.Sysn!D1AfAWSmkcQ
Ikarus Trojan.MulDropper
Fortinet W32/Sysn.CIRF!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/TrojanDropper.Sysn.HgIASOoA

How to remove Trojan-Dropper.Win32.Sysn.cirf?

  • 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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