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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. The file has been seen being downloaded from cache-default02h.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:
90871c7537ccac79a541b037a4213124

SHA-1:
a3da45ea2702cac167f8d391e4a7c60804a300d4

SHA-256:
45e115061844f2d7011caded0e3e31bed2900e915049793e268f3d9bd5f12ee8

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 1:57:36 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex.Pack.Installer.Meta (L)
16.5.19.21

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)

Language:
English (United States)

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

Digital Signature
Signed by:
YANDEX LLC

Authority:
GlobalSign nv-sa

Valid from:
9/25/2015 4:44:52 PM

Valid to:
9/25/2017 4:44:52 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:
3/4/2016 8:06:21 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
49152:h1+XwSUeA91Y3f+AU9wbq+0STTKNlMS2+welJ7kkI5WTe/X:heI9H+03qZ+e

Entry address:
0x13A7E

Entry point:
E8, 33, BF, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 20, 53, 43, 00, E8, 3C, 48, 00, 00, E8, EB, 38, 00, 00, 0F, B7, F0, 6A, 02, E8, C6, BE, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 0A, 83, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
6.8065

Code size:
166 KB (169,984 bytes)

The file yandexpacksetup.exe has been seen being distributed by the following 25 URLs.

http://cache-default02h.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-default05g.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-default01h.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-kiev07.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-default01g.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-ash02.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-default04g.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-default05e.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-novosibbln06.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-ams01.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-default04e.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-kiev05.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-default04d.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-default05f.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-default02g.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

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

http://cache-default02e.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-default01e.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-samaramgf05.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-ams04.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

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

http://cache-ash04.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

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

http://cache-default06e.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-ams03.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

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