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 cache-novosibbln01.cdn.yandex.net and multiple other hosts.
Publisher:
Microsoft Corporation  (signed by YANDEX LLC)

Product:
Windows Installer XML

Description:
Software Installer

Version:
3.0.5419.0

MD5:
f3ce4e462acf530b5dbcab738e8032d9

SHA-1:
da32f243bf1348f20ef142c010777ccfe4aad53c

SHA-256:
bb161846f9437a1f109dc9fd0ce73d48fb7064f961e2ced2a16f8b90462baac5

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 2:38:56 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex.Pack.Installer
16.4.14.22

File size:
3.2 MB (3,321,696 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\temp\{random}.tmp\yandexsearch.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
9/25/2015 3:44:52 PM

Valid to:
9/25/2017 3:44:52 PM

Subject:
E=pki@yandex-team.ru, CN=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:
11210FF6462B63D55AFBAA81F9C734A7AA94

File PE Metadata
Compilation timestamp:
3/1/2016 4:02:04 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
49152:ak++w18fOPpUYRij78TI3VcbTRUzuoc0f+wDrWBwJ7kkzqpTe/i:aC8TyVc03Z2Cq

Entry address:
0x13A8E

Entry point:
E8, 23, BF, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 10, 53, 43, 00, E8, 3C, 48, 00, 00, E8, EB, 38, 00, 00, 0F, B7, F0, 6A, 02, E8, B6, BE, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 0A, 83, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
166 KB (169,984 bytes)

The file yandexsearch.exe has been seen being distributed by the following 50 URLs.

http://cache-novosibbln01.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-samaramgf02.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-minsk01.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

Latest 30 of 85 download URLs

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