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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 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-default04e.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:
f1464a1a88d8197e96db5063749e9d28

SHA-1:
226de6bf7c16308932e4e3ea670b3ccb33abb1b0

SHA-256:
830dbd881321d7004e46ece669787f543fca4ae6ce40c28d8ee4638414523830

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/21/2024 10:52:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex.Pack.Installer.Meta (L)
16.4.25.21

File size:
32.2 MB (33,755,960 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:
YANDEX LLC

Authority:
VeriSign, Inc.

Valid from:
1/15/2013 6:00:00 AM

Valid to:
1/16/2016 5:59:59 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:
3/24/2014 9:52:31 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
786432:KfyTZrBBO4lmplnuT3HE9pQ29aIiV1MMe2//ad:FTZDguT3HMQ2E3e2//U

Entry address:
0x14E94

Entry point:
E8, 54, A3, 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, E4, 31, 43, 00, 00, 74, 16, 57, 56, 83, E7, 0F, 83, E6, 0F, 3B, FE, 5E, 5F, 75, 08, 5E, 5F, 5D, E9, 11, 80, 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, 14, 50, 41, 00, 90, 8B, C7, BA, 03, 00, 00, 00, 83, E9, 04, 72, 0C, 83, E0, 03, 03...
 
[+]

Code size:
160 KB (163,840 bytes)

The file yandexpacksetup.exe has been seen being distributed by the following 2 URLs.

http://downloader.yandex.net.cache-default04e.cdn.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://downloader.yandex.net.cache-default05d.cdn.yandex.net/yandex-pack/.../YandexPackSetup.exe

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