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yandex.exe

Yandex Installer

Yandex LLC

The application yandex.exe 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-turk01.cdn.yandex.net and multiple other hosts.
Publisher:
Yandex LLC  (signed and verified)

Product:
Yandex Installer

Version:
47.0.2526.3539

MD5:
d4ae9a0bbc335a1aa54eec431f9dcd2e

SHA-1:
4e9a2db04ab7ef4e635693055a34bfd2ab63df51

SHA-256:
4a0ad63a9d3693c75bd17ecebfba9dd41ea8bc7c1603084edd760e01cfb4cc42

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 12:52:46 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex.Installer.Meta (L)
16.6.7.0

File size:
506.6 KB (518,776 bytes)

Product version:
47.0.2526.3539

Copyright:
Copyright © 2012-2015 YANDEX LLC. All Rights Reserved.

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\yandex.exe

Digital Signature
Signed by:
Yandex LLC

Authority:
GlobalSign nv-sa

Valid from:
11/17/2015 6:42:24 PM

Valid to:
11/17/2017 6:42:24 PM

Subject:
E=pki@yandex-team.ru, CN=Yandex LLC, OU=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:
112193734B618EB980DF4E9ED51D45352EB7

File PE Metadata
Compilation timestamp:
1/22/2016 3:17:21 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:KrDdJEQGUlg5/07WJw85dgugNOdURq9RUU8hD33eKm7O6NTkkf1lClV+pMl10:Kr4QK5/jw8LNgIdUR6zKS7vNwWElPl1

Entry address:
0x21213

Entry point:
E8, 3B, D3, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 83, EC, 10, 83, 7D, 10, 00, 0F, 84, 9B, 00, 00, 00, 53, 56, 57, FF, 75, 14, 8D, 4D, F0, E8, CD, DC, FF, FF, 8B, 7D, 08, BE, FF, FF, FF, 7F, 85, FF, 74, 0E, 8B, 5D, 0C, 85, DB, 74, 07, 8B, 4D, 10, 3B, CE, 76, 12, E8, 81, 1F, 00, 00, C7, 00, 16, 00, 00, 00, E8, 9F, D2, FF, FF, EB, 4D, 8B, 45, F0, 83, B8, A8, 00, 00, 00, 00, 75, 0F, 51, 53, 57, E8, 65, D4, 00, 00, 83, C4, 0C, 8B, F0, EB, 32, 2B, FB, 0F, B6, 04, 1F, 8D, 4D, F0, 51, 50, E8, BF, DE, FF, FF, 8D...
 
[+]

Entropy:
7.1070

Code size:
225 KB (230,400 bytes)

The file yandex.exe has been seen being distributed by the following 13 URLs.

http://cache-turk01.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

http://cache-default03e.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

http://downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

http://cache-default04f.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

http://cache-novosibmgf02.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

http://cache-ams06.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

http://cache-ash02.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

http://cache-ash04.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

http://cache-ams04.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

http://cache-ams01.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

http://cache-ams02.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

http://cache-ams03.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

http://cache-ams05.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

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