Trojan-Downloader.Script.Fsysna removal instruction

The Trojan-Downloader.Script.Fsysna 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-Downloader.Script.Fsysna virus can do?

• 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
• 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
• Uses Windows utilities for basic functionality
• Deletes its original binary from disk
• A system process is generating network traffic likely as a result of process injection
• Creates a hidden or system file
• Attempts to modify proxy settings
• Uses suspicious command line tools or Windows utilities

Related domains:

How to determine Trojan-Downloader.Script.Fsysna?

File Info:
crc32: 25006D3C
md5: 5439dcd1bcd9c0ab638e7e3cff42eb5f
name: winlogon.exe
sha1: e6123f070ff2f68d36b0cbe0bf1f7d51a97c76cd
sha256: 57ef58aa964e4d674cb6700274a262c5edd454895ab0f7c659c60d2e11ad5809
sha512: 117197eabc263986edfa2b896436c9955578b58c2f5e642cbf9f844ceb516ee47e396527e4d5397e389a0cbc5ec780e07ef21609f1e57cdd3687b514c0aae7e7
ssdeep: 24576:yAHnh+eWsN3skA4RV1Hom2KXMmHaJoGml5:1h+ZkldoPK8YaJ1i
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: winlogon
FileVersion: 10.0.17763.1075 (WinBuild.160101.0800)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 10.0.17763.1075
FileDescription: Windows Logon Application
OriginalFilename: WINLOGON.EXE
Translation: 0x0409 0x04b0

Trojan-Downloader.Script.Fsysna also known as:

How to remove Trojan-Downloader.Script.Fsysna?

• 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.