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extensionupdate.exe

South Star Financial Co Limited

The application extensionupdate.exe by South Star Financial Co Limited has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
PrecisionCodec   (signed by South Star Financial Co Limited)

MD5:
26bca42e9a23ca6a59f3e6e329e51d02

SHA-1:
ea3ee9e2cf258f6b9983c3723ae6e96e65a4f15e

SHA-256:
cebb567ac68f5a492a704f3ce91ecb72610c3ce3f16995553f6fdffc71dbd954

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:
5/8/2024 3:55:57 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.SouthSta (M)
16.4.7.13

File size:
1.1 MB (1,152,424 bytes)

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\windows\temp\inj001\extensionupdate.exe

Digital Signature
Signed by:
South Star Financial Co Limited

Authority:
Thawte, Inc.

Valid from:
1/31/2012 6:00:00 PM

Valid to:
1/31/2013 5:59:59 PM

Subject:
CN=South Star Financial Co Limited, O=South Star Financial Co Limited, L=Belize City, S=Belize, C=BZ

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
282440A02852AD67749E9D6A83BC0812

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:WgTubDKY5/8ubWthR4LrHzg4hY527S7PsvTwvhwOOENpxSja9T7z:WgSKY98ubWt/4LLHR70PsvEp/OSwjGz

Entry address:
0xBA20

Entry point:
55, 8B, EC, 83, C4, C0, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, 89, 45, C0, B8, 38, B9, 40, 00, E8, 92, 8E, FF, FF, 33, C0, 55, 68, DB, C0, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 9C, C0, 40, 00, 64, FF, 32, 64, 89, 22, A1, 7C, D3, 40, 00, 8B, 00, E8, 7E, FD, FF, FF, E8, A9, F9, FF, FF, 8D, 55, F0, 33, C0, E8, FF, C9, FF, FF, 8B, 55, F0, B8, 88, EE, 40, 00, E8, F6, 77, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 88, EE, 40, 00, B2, 01, A1, AC, 8B, 40, 00, E8, AE, D2, FF, FF, A3, 8C, EE, 40, 00, 33...
 
[+]

Entropy:
7.9780

Developed / compiled with:
Microsoft Visual C++

Code size:
44.5 KB (45,568 bytes)

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