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yandex.exe

Yandex Installer

YANDEX LLC

The file 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 downloader.yandex.net and multiple other hosts.
Publisher:
YANDEX LLC  (signed and verified)

Product:
Yandex Installer

Version:
45.0.2454.3658

MD5:
1c77f37e0dea1a1cf684acc7d5b96485

SHA-1:
c483f0a94107525affbbddf3edcec72a30977f27

SHA-256:
22381285e5a47cae97664d14b60f8e61accd5fdebbd4d13c764d2b914c33d74c

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 9:31:27 AM UTC  (today)

Scan engine
Detection
Engine version

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

File size:
473 KB (484,304 bytes)

Product version:
45.0.2454.3658

Copyright:
Copyright © 2012-2014 YANDEX LLC. All Rights Reserved.

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\yandex.exe.0b6hm7x.partial

Digital Signature
Signed by:
YANDEX LLC

Authority:
VeriSign, Inc.

Valid from:
1/14/2013 6:00:00 PM

Valid to:
1/15/2016 5:59:59 PM

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:
10/22/2015 8:31:21 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:QAOw4dbAKKI0GI1YbSvj9QPGayKRULCyyiifpV+8lCqIQ+pOACEIqJ:QAoKI0GyYbS7WPGayQ8QbjXAWq

Entry address:
0x20193

Entry point:
E8, 6C, D9, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 53, 8B, 5D, 10, 8B, C3, 56, 83, E8, 00, 0F, 84, DD, 16, 00, 00, 48, 0F, 84, C5, 16, 00, 00, 48, 0F, 84, 8F, 16, 00, 00, 48, 0F, 84, 3E, 16, 00, 00, 8B, 55, 0C, 48, 0F, 84, AC, 15, 00, 00, 8B, 75, 08, 57, 83, FB, 20, 0F, 82, A1, 04, 00, 00, 8B, 06, 3B, 02, 0F, 84, 80, 00, 00, 00, 0F, B6, F8, 0F, B6, 02, 2B, F8, 74, 16, 33, C9, 85, FF, 0F, 9F, C1, 8D, 0C, 4D, FF, FF, FF, FF, 85, C9, 0F, 85, 9B, 08, 00, 00, 0F, B6, 7E, 01, 0F, B6, 42, 01, 2B, F8, 74, 16, 33...
 
[+]

Entropy:
7.0097

Code size:
226 KB (231,424 bytes)

The file yandex.exe has been seen being distributed by the following 4 URLs.

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

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

http://cache-ash03.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

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