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 self-extracting archive and installer and has been known to bundle potentially unwanted software. The file has been seen being downloaded from cache-ams06.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:
574056dc49e9f9cfb559bde3ac4fe6b1

SHA-1:
d08f87c53965d558abab5897fb866ee7c6810792

SHA-256:
b7d053a2a823102083a7c1aac2fb5404ffb13d11d8427a7ed484581398f38d1b

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/1/2024 9:29:10 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex.Pack.Installer.Meta (L)
16.6.14.13

File size:
3.2 MB (3,364,672 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:
8/29/2014 11:39:13 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
49152:t1+xwyU4A91Y3f+AU9wbq+0eTWKSlMMp+w5snJ7kka62Te/r:tOI9H+0NzZ21

Entry address:
0x31A32

Entry point:
E8, 10, 71, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, B8, FF, FF, 00, 00, 83, EC, 14, 66, 39, 45, 08, 0F, 84, 9B, 00, 00, 00, 56, FF, 75, 0C, 8D, 4D, EC, E8, E5, F5, FF, FF, 8B, 75, EC, 8B, 86, A8, 00, 00, 00, 85, C0, 75, 18, 8B, 4D, 08, 8D, 41, BF, 66, 83, F8, 19, 77, 04, 66, 83, C1, 20, 0F, B7, C1, 0F, B7, C0, EB, 1F, BA, 00, 01, 00, 00, 6A, 01, 66, 39, 55, 08, 73, 2A, FF, 75, 08, E8, 87, 75, 00, 00, 59, 59, 85, C0, 75, 09, 0F, B7, 45, 08, 0F, B7, C0, EB, 0E, 0F, B7, 4D, 08, 8B, 86, 94, 00, 00, 00, 0F, B6...
 
[+]

Code size:
244.5 KB (250,368 bytes)

The file yandexpacksetup.exe has been seen being distributed by the following 5 URLs.

http://cache-ams06.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-default06g.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-kz02.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

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