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extensionupdate.exe

Bit Cocktail Ltd.

The application extensionupdate.exe by Bit Cocktail 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:
Bitcoktail   (signed by Bit Cocktail Ltd.)

MD5:
678d1a05d2a195aa6796ba2220f69f35

SHA-1:
672cea58b1c81fbd02df5ed39275858c17d8f1f5

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 2:23:25 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.BitCocktail.Bitcoktail (M)
16.3.1.23

File size:
1.2 MB (1,216,768 bytes)

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\windows\temp\inj003\extensionupdate.exe

Digital Signature
Signed by:
Bit Cocktail Ltd.

Authority:
Thawte, Inc.

Valid from:
1/17/2012 8:00:00 AM

Valid to:
1/17/2013 7:59:59 AM

Subject:
CN=Bit Cocktail Ltd., O=Bit Cocktail Ltd., L=Herzeliya, S=Herzeliya, C=IL

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

Serial number:
613E461899A05578474D1423CF9CC340

File PE Metadata
Compilation timestamp:
6/20/1992 6:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:ggTuTDKY5/8V3Gi1zwaQ9tSJjxHrr/C4eENpxSja9T7h:ggSyY98FGK3QWJjxHrTzeSwjGh

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:
7.9801

Developed / compiled with:
Microsoft Visual C++

Code size:
44.5 KB (45,568 bytes)

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