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yandexpacksetup.exe

The application yandexpacksetup.exe has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a self-extracting archive and installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from downloader.yandex.net.cache-kz01.cdn.yandex.net.
MD5:
39671026f1740bcb9ffa229eaa7d1d79

SHA-1:
74115fcd291adaaeaf91c311e7df601c8b0ec10f

SHA-256:
b7fd55154145e0702312f2af34776734ed71ed4c41d37a71764894794d69d532

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
6/25/2025 9:21:15 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex.Pack.Installer.Meta (L)
16.7.12.15

File size:
16.2 MB (16,936,144 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\yandexpacksetup.exe

File PE Metadata
Compilation timestamp:
10/15/2014 12:02:41 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
393216:jg3uZzA1fN0TwvwkRriPAxsP825PI2LQzGuVEE67sm:9zA1FapkRiYxkJLQJiwm

Entry address:
0x1613E

Entry point:
E8, 1A, B1, 00, 00, E9, 78, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, 55, 8B, EC, 57, 56, 8B, 75, 0C, 8B, 4D, 10, 8B, 7D, 08, 8B, C1, 8B, D1, 03, C6, 3B, FE, 76, 08, 3B, F8, 0F, 82, A4, 01, 00, 00, 81, F9, 00, 01, 00, 00, 72, 1F, 83, 3D, 04, 73, 43, 00, 00, 74, 16, 57, 56, 83, E7, 0F, 83, E6, 0F, 3B, FE, 5E, 5F, 75, 08, 5E, 5F, 5D, E9, B1, 8C, 00, 00, F7, C7, 03, 00, 00, 00, 75, 15, C1, E9, 02, 83, E2, 03, 83, F9, 08, 72, 2A, F3, A5, FF, 24, 95, C4, 62, 41, 00, 90, 8B, C7, BA, 03, 00, 00, 00, 83, E9, 04...
 
[+]

Code size:
168.5 KB (172,544 bytes)

The file yandexpacksetup.exe has been seen being distributed by the following URL.

http://downloader.yandex.net.cache-kz01.cdn.yandex.net/yandex-pack/.../YandexPackSetup.exe

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