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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-ekt06.cdn.yandex.net.
Publisher:
Microsoft Corporation  (signed by YANDEX LLC)

Product:
Windows Installer XML

Description:
Software Installer

Version:
3.0.5419.0

MD5:
d22283b2e9914dc3e962e62806e13af5

SHA-1:
6a6dae083cd56a5a1db5b8e09bcd16ba3d638766

SHA-256:
7fbe14f8bf32d541b14d90fa23288af6045a19cc989e9fdda448346b24954452

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 1:13:47 PM UTC  (today)

Scan engine
Detection
Engine version

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

File size:
3.1 MB (3,267,896 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\microsoft\windows\temporary internet files\content.ie5\{random}\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:RHoV8oxmj2fPcb98/J7kk/LCTe/4rWqykA+k8tPcHYmfm4swicTnTM+je:RHoV8nC3hdzkADo4sTcT

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 URL.

http://cache-ekt06.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

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