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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. 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-ams04.cdn.yandex.net and multiple other hosts.
Publisher:
Yandex LLC  (signed and verified)

Product:
Yandex Installer

Version:
49.0.2623.9070

MD5:
3b96beafa672be530af3c8e148a91852

SHA-1:
a1d2ee3a62441c94388f18622cfc24fe9dbfca78

SHA-256:
3a3eaeece1691df62d406d8c062909c28d9bde2f9fb5e28c6526d05d99a87ed3

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/21/2024 11:49:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex.Installer.Meta (L)
16.5.29.13

File size:
669.1 KB (685,176 bytes)

Product version:
49.0.2623.9070

Copyright:
Copyright © 2012-2016 YANDEX LLC. All Rights Reserved.

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}\yandex.exe

Digital Signature
Signed by:
Yandex LLC

Authority:
GlobalSign nv-sa

Valid from:
11/17/2015 10:12:24 PM

Valid to:
11/17/2017 10:12:24 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:
5/19/2016 10:42:57 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:Y3d+uqK5IQB7c0qZnmMCcN5DtWsJ1GIkaIsEebbr:YQut5R0sMCC34Kxbb

Entry address:
0x21845

Entry point:
E8, 39, 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, CB, 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, 7F, 1F, 00, 00, C7, 00, 16, 00, 00, 00, E8, 97, D2, FF, FF, EB, 4D, 8B, 45, F0, 83, B8, A8, 00, 00, 00, 00, 75, 0F, 51, 53, 57, E8, 63, D4, 00, 00, 83, C4, 0C, 8B, F0, EB, 32, 2B, FB, 0F, B6, 04, 1F, 8D, 4D, F0, 51, 50, E8, BD, DE, FF, FF, 8D...
 
[+]

Entropy:
7.4086

Code size:
226.5 KB (231,936 bytes)

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

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

http://cache-ash01.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-default02h.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

http://cache-ash05.cdn.yandex.net/downloader.yandex.net/downloadable_soft/browser/.../Yandex.exe

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