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sysasf.dll

The library sysasf.dll has been detected as malware by 2 anti-virus scanners. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘sysasf’.
MD5:
3b47c0291c92e2a01c307fa08087b73e

SHA-1:
3db7c3c543a910842f700ae685dc7e8f03418701

SHA-256:
627379b4a44922ec3f76c5f1db607a3126ae66ab6c840a3811fd858b7ac94fd1

Scanner detections:
2 / 68

Status:
Malware

Analysis date:
4/1/2025 8:05:46 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Trojan.Proxy2.622
9.0.1.05190

ESET NOD32
Win32/TrojanProxy.Agent.OAL trojan
6.3.12010.0

File size:
14 KB (14,336 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\sysasf.dll

File PE Metadata
Compilation timestamp:
3/14/2017 2:16:05 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
5.12

Entry address:
0x10C0

Entry point:
55, 8B, EC, 83, C4, E8, 56, 8B, 35, F0, 10, 00, 10, 56, 0B, F6, 74, 01, 58, 5E, C9, C2, 0C, 00, 1C, 8B, 96, 01, 01, 8A, 06, 8F, 85, 00, 08, 3F, 70, 14, 00, 09, 23, 00, 1A, 00, 15, 0A, 06, FA, 01, 00, 00, 00, 77, A8, FE, FF, B5, B4, FD, FF, FF, E8, D8, 1F, 00, 00, 48, 6A, 10, E8, 82, 1F, 00, 00, C2, 18, 00, 55, 8B, EC, 83, C4, BC, 8B, 45, 0C, 3D, 81, 81, 80, 1A, 75, 14, 81, E9, 18, 40, 00, 00, 2B, 4D, 00, FF, 75, 00, 83, C5, 30, E9, CA, 00, 00, 00, 3D, 28, A6, E3, FF, 75, 06, 4A, E9, BD, 00, 00, 00, 83, F8...
 
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Developed / compiled with:
Microsoft Visual C++

Code size:
8.5 KB (8,704 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
sysasf

Command:
rundll32.exe "C:\users\{user}\appdata\local\sysasf.dll",sysasf


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