yandexpacksetup.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 yandexpacksetup.exe, “Software Installer” by YANDEX has been detected as a potentially unwanted program by 2 anti-malware scanners. 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-default06f.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:
303377fcd984025b1111a82b2ce73103

SHA-1:
67ba0e8900c09a472fa4985172ac859293e77ebd

SHA-256:
688d58f24faddb95db045225ad43e6cf6ec5aec86329a26efa5b8a2fe490730a

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
11/1/2024 9:34:38 AM UTC  (today)

Scan engine
Detection
Engine version

IKARUS anti.virus
AdWare.BundleApp
t3scan.1.9.5.0

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

File size:
41.6 MB (43,601,208 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\yandexpacksetup.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/15/2013 4:00:00 AM

Valid to:
1/16/2016 3:59:59 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 11:02:41 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
786432:bMkqm/SEZ7soME7My6DCxTD5tjQ4/mmfjbtjpZwAOWJyIy3d:b/u+oE/Ac33QnmfjbppZwA0d

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 yandexpacksetup.exe has been seen being distributed by the following 14 URLs.

http://cache-default06f.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-default02d.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-kz02.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

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