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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 self-extracting archive and installer and has been known to bundle potentially unwanted software. The file has been seen being downloaded from downloader.yandex.net.cache-default03e.cdn.yandex.net.
Publisher:
Microsoft Corporation  (signed by YANDEX LLC)

Product:
Windows Installer XML

Description:
Software Installer

Version:
3.0.5419.0

MD5:
cf561c026a4cac9d5ad78c59f950d896

SHA-1:
014ae1fd31f5cb6ac0c79a65c4240b5cba2e50e8

SHA-256:
053b3d678d24941a1ee2eea8c1f8c4d76c5135bdbd0e445b8c8c650708a0291b

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 2:50:06 PM UTC  (today)

Scan engine
Detection
Engine version

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

File size:
1.9 MB (1,953,080 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:
10/16/2013 11:46:10 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
49152:fpsnfVR2SMlOKW5qW18W1XW5mW5mW5mW5KKA+Xsg8HMnCCQRpi/sT41An:fpsnfVRnMATKAFg8mCr5n

Entry address:
0x3D24

Entry point:
E8, B3, 3D, 00, 00, E9, 78, FE, FF, FF, 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, 78, 9C, 41, 00, 00, 74, 16, 57, 56, 83, E7, 0F, 83, E6, 0F, 3B, FE, 5E, 5F, 75, 08, 5E, 5F, 5D, E9, 82, 3E, 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, A4, 3E, 40, 00, 90, 8B, C7, BA, 03, 00, 00, 00, 83, E9, 04, 72, 0C, 83, E0, 03, 03...
 
[+]

Code size:
64.5 KB (66,048 bytes)

The file yandexsearch.exe has been seen being distributed by the following URL.

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

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