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win78.exe

The program is a setup application that uses the WinZip SFX installer. The file has been seen being downloaded from www.biostar-usa.com and multiple other hosts.
MD5:
8550bac0cefc3ec8147f5649c64576c9

SHA-1:
d286d2e41f70d494d9ecd9d2955a56e5cafde872

SHA-256:
2a383ca81ad2f580b6ff16b7729058f2bd41dd4e6685684c2c0d344c4265cc08

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
4/26/2024 6:40:14 AM UTC  (today)

File size:
265.2 MB (278,102,528 bytes)

File type:
Executable application (Win32 EXE)

Installer:
WinZip SFX

Common path:
C:\users\{user}\downloads\win78.exe

File PE Metadata
Compilation timestamp:
1/9/2001 7:08:41 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
5.10

CTPH (ssdeep):
6291456:6bwHd3XxbAcilKOITrMs/Uk0GrtRRimoR/EGhk2ys0JdQ8lSX/:Uw9nBA3lKHrj/NRLoVEGUFD8v

Entry address:
0x39D8

Entry point:
53, FF, 15, 50, 60, 40, 00, B3, 22, 38, 18, 74, 03, 80, C3, FE, 8A, 48, 01, 40, 33, D2, 3A, CA, 74, 0A, 3A, CB, 74, 06, 8A, 48, 01, 40, EB, F2, 38, 10, 74, 01, 40, 52, 50, 52, 52, FF, 15, 54, 60, 40, 00, 50, E8, 07, F8, FF, FF, 50, FF, 15, 58, 60, 40, 00, 5B, C3, 8B, 44, 24, 04, 8B, 40, 3C, 05, F8, 00, 00, 00, C3, 55, 8B, EC, 51, A1, 28, 84, 40, 00, 83, 0D, A0, 82, 40, 00, FF, 56, 33, F6, 39, 35, F8, 7D, 40, 00, 89, 35, D4, 83, 40, 00, 89, 35, 24, 84, 40, 00, A3, C4, 86, 40, 00, 75, 05, E8, 67, D8, FF, FF...
 
[+]

Entropy:
7.9991

Packer / compiler:
WinZip, 0x32-bit SFX v8.x module

Code size:
18.5 KB (18,944 bytes)

The file win78.exe has been seen being distributed by the following 2 URLs.

http://www.biostar-usa.com/upload/Driver//Chipset/ATI/A75/.../WIN78.exe

http://download.biostar.com.tw/upload/Driver//Chipset/ATI/A75/.../WIN78.exe

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