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install_setup.exe

The executable install_setup.exe has been detected as malware by 1 anti-virus scanner. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from www.viddyhddownload.com and multiple other hosts.
MD5:
77aa28f43c3445c44e0cd13a3b8d6c1b

SHA-1:
a1e0121f9f87e4c9045a6b6b20ac11908ab9c037

SHA-256:
dbf53fd79c9e98c983434f75cfd034a304a155193bac26248f85f0c7cd971a42

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
4/18/2024 10:39:50 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
(M)
16.6.6.21

File size:
193.1 KB (197,688 bytes)

File type:
Executable application (Win16 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

File PE Metadata
Compilation timestamp:
12/5/2009 10:50:52 PM

OS version:
4.0

OS bitness:
Win16

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:MgXdZt9P6D3XJ/fZYCmjXMU7Q2pzFmaO7yp4tIAwPxnKX5hWHPFiOsixmUpPGbrC:Me34FB1mu2ppmabLP19dhsiNERk

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8406

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://www.viddyhddownload.com/download.php?dyn=53051904e56da17d2600409c&file=/common/installers/00301/viddyhddownload/.../install_setup.exe

http://www.viddyhddownload.com/download.php?dyn=53051872cd6da1a32d004110&file=/common/installers/00301/viddyhddownload/.../install_setup.exe

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