yandexpacksetup.exe

Windows Installer XML

YANDEX LLC

While the file properties state the file is developed by 'Microsoft Corporation', this is not the case and it is designed just to look like a legitimate Microsoft system file. The application yandexpacksetup.exe, “Software Installer” by YANDEX 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 setup and installation application and has been known to bundle potentially unwanted software. The file has been seen being downloaded from cache-ams05.cdn.yandex.net and multiple other hosts.
Publisher:
Microsoft Corporation  (signed by YANDEX LLC)

Product:
Windows Installer XML

Description:
Software Installer

Version:
3.0.5419.0

MD5:
aee9c07b1399bdabfe5ff7d2437b8ee5

SHA-1:
ec4eaeb46d58a19c548cffcef149c63e51213afd

SHA-256:
cc2d30ca3a01430100d0ee5c7ed4171fe9fdbc5599a2bd1850b6def9a1054949

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/1/2024 5:32:10 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex.Pack.Installer.Meta (L)
16.4.22.13

File size:
3.1 MB (3,284,320 bytes)

Product version:
3.0.5419.0

Copyright:
Copyright (c) Microsoft Corporation.  All rights reserved.

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\yandexpacksetup.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
9/25/2015 1:44:52 PM

Valid to:
9/25/2017 1:44:52 PM

Subject:
E=pki@yandex-team.ru, CN=YANDEX LLC, O=YANDEX LLC, L=Moscow, S=Moscow, C=RU

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11210FF6462B63D55AFBAA81F9C734A7AA94

File PE Metadata
Compilation timestamp:
10/15/2014 9:02:41 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
49152:yHoV8oxXewCDoiB30oCfHpmOjOWTEAIaecce5+wl1EbJ7kkCOrFHTe/s:yHoV8uzWOaqbZYQO

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 50 URLs.

http://cache-ams05.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-ash06.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-novosibmgf02.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-minsk03.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-ekt02.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-ams02.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

Latest 30 of 166 download URLs

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