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System-link.exe

5832_cmi_istartpageing

Skytouch Technology Co., Limited

The file System-link.exe, “The System-link project produces a FREE, multi-platform operating system from Windows” by Skytouch Technology Co., Limited has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from d2drfrdurj6mvo.cloudfront.net.
Publisher:
Software is developed by volunteers  (signed by Skytouch Technology Co., Limited)

Product:
5832_cmi_istartpageing

Description:
The System-link project produces a FREE, multi-platform operating system from Windows

Version:
6.6.86.1707

MD5:
4b1f7d20783267c9dc98bccdfbc83de0

SHA-1:
0ba72331a2cfa57593e3cbd0feccfdba3e04578a

SHA-256:
ff85bb934d7334d9b0077a51e0a6877d3c2eaf3b259f23fc0fc4c99a1255490d

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
12/24/2024 7:51:02 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX.SkytouchTechnologyCo (M)
16.2.4.2

File size:
472.7 KB (484,048 bytes)

Product version:
6.6.86.1707

Copyright:
Copyright (C) System-Link 2002

Original file name:
System-link.exe

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\nsr3ab4.tmp

Digital Signature
Signed by:
Skytouch Technology Co., Limited

Authority:
GlobalSign nv-sa

Valid from:
1/28/2016 4:11:39 AM

Valid to:
7/19/2016 12:55:33 PM

Subject:
CN="Skytouch Technology Co., Limited", O="Skytouch Technology Co., Limited", L=Hong Kong, S=Hong Kong, C=HK

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11218B3B24CD809C4CA8EEFB221E47ED883C

File PE Metadata
Compilation timestamp:
2/1/2016 7:14:28 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:2nLs/2O8ZA834kgwnZCWVQU/vXSvyycyTgN4TTDY4mTYNV/ao:IVZB34k1gyQEvXSvDTc4TvYXTYNB

Entry address:
0x2C2C7

Entry point:
E8, 25, AF, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 90, C6, 45, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 74, C1, 45, 00, C9, C2, 08, 00, CC, CC, CC, 8B, 4C, 24, 04, F7, C1, 03, 00, 00, 00, 74, 24, 8A, 01, 83, C1, 01, 84, C0, 74, 4E, F7, C1, 03, 00, 00, 00, 75, EF, 05, 00, 00, 00, 00, 8D, A4, 24, 00, 00...
 
[+]

Entropy:
6.5506

Code size:
360.5 KB (369,152 bytes)

The file System-link.exe has been seen being distributed by the following URL.

http://d2drfrdurj6mvo.cloudfront.net/.../cmi_istartpageing.exe

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