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expand.dll

Shanghai Gaoxin Computer System Co.,ltd

The module expand.dll by Shanghai Gaoxin Computer System Co.,ltd has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
www.guangsu.cn  (signed by Shanghai Gaoxin Computer System Co.,ltd)

Version:
2, 7, 1, 3

MD5:
837a3c6d4a987c0b1a1dce1f5400d679

SHA-1:
e3b82683570f321db8efcd68061258d8c9f6a6c5

SHA-256:
38c77e082f4e30befe535a9875c5ea5afe53db326afe416c231fcff5c1b9b245

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
4/20/2024 3:01:24 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ShanghaiGaoxinComputerSystemColtd (M)
16.1.8.9

File size:
1.2 MB (1,217,984 bytes)

Product version:
2, 7, 1, 3

Copyright:
版权所有 (C) 2013

File type:
Dynamic link library (Win32 DLL)

Language:
Chinese (Simplified, China)

Common path:
C:\users\{user}\appdata\roaming\gssoft\gswb\back\expand.dll

Digital Signature
Signed by:
Shanghai Gaoxin Computer System Co.,ltd

Authority:
VeriSign, Inc.

Valid from:
5/6/2013 8:00:00 PM

Valid to:
5/6/2016 7:59:59 PM

Subject:
CN="Shanghai Gaoxin Computer System Co.,ltd", OU=IT, OU=Digital ID Class 3 - Microsoft Software Validation v2, O="Shanghai Gaoxin Computer System Co.,ltd", L=Shanghai, S=Shanghai, C=CN

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
3252B61CBBBA434FC4C89A24F5ED7D30

File PE Metadata
Compilation timestamp:
12/2/2013 3:44:40 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
12288:UBoYyScCgBSiTvr+U/abGiyFpjE0XcjvV85m3m3hMFmSWDNMeuRRa+YfPVhOeVuw:8mn+U/a6XFlhA8EPsiHa++c2uUzf3

Entry address:
0x5452F

Entry point:
83, 7C, 24, 08, 01, 75, 05, E8, 2D, AD, 00, 00, FF, 74, 24, 04, 8B, 4C, 24, 10, 8B, 54, 24, 0C, E8, ED, FE, FF, FF, 59, C2, 0C, 00, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 34, FA, 08, 10, 33, C5, 50, FF, 75, FC, C7, 45, FC, FF, FF, FF, FF, 8D, 45, F4, 64, A3, 00, 00, 00, 00, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 34, FA, 08, 10, 33, C5, 50, 89, 65, F0, FF, 75, FC, C7, 45, FC, FF, FF, FF, FF...
 
[+]

Entropy:
6.7964

Code size:
448 KB (458,752 bytes)

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