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yandexsearch.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 yandexsearch.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-ams04.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:
3a59d04068b7e7ec934a783e72e3f0ac

SHA-1:
78e89a5463e66d5e85421e054b5b5d169aba8120

SHA-256:
f8f29a53d6514921a89998829147adb5b5bb26c733c2bb1b58c74178e7526c8d

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/21/2024 12:00:17 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex.Search.Installer.Meta (M)
16.4.22.13

File size:
2.7 MB (2,788,664 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\yandexsearch.exe

Digital Signature
Signed by:
YANDEX LLC

Authority:
VeriSign, Inc.

Valid from:
1/15/2013 3:00:00 AM

Valid to:
1/16/2016 2:59:59 AM

Subject:
CN=YANDEX LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=YANDEX LLC, L=Moscow, S=Moscow, C=RU

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
3667E158B524C8FFBFE538172786F1E2

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):
49152:9HoV8oxqdsfI6SIh2qcrJ7kk+KFyBINz+kP5tk8AnMeSnfT9w3:9HoV8zZ6xy7yBINz3PKMeS

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 yandexsearch.exe has been seen being distributed by the following 50 URLs.

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

http://cache-mskdataline10.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskdataline04.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskdataline06.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-spb09.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskstoredata01.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskstoredata06.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskdataline09.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-ash01.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskdataline05.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskdataline02.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskdataline07.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-default03e.cdn.yandex.net/download.yandex.ru/yandex-pack/.../YandexSearch.exe

http://cache-mskdataline03.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskdataline01.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskstoredata05.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskstoredata09.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-ekt01.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-ash05.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-khab01.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-turk06.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskm906.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-ekt05.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskstoredata10.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-khabrt03.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskstoredata07.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-krasmts01.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskstoredata02.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-spb07.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-mskm901.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

Latest 30 of 144 download URLs

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