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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. The file has been seen being downloaded from cache-turk06.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:
d9ae5be8472ed5f55e9a18e94558d11a

SHA-1:
2043b0b1ae28a0fc5cfb7b3c3d8e22c616ab6523

SHA-256:
aba3ad583a6c4fb6098cac816480fc9f7a3503602ee716332f9a9c51a9090bbe

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/1/2024 9:26:13 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex.Pack.Installer.Meta (L)
16.6.14.9

File size:
3.2 MB (3,364,672 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:
GlobalSign nv-sa

Valid from:
9/25/2015 1:44:52 PM

Valid to:
9/25/2017 1:44:52 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:
3/4/2016 5:06:21 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
49152:O1+xwyU4A91Y3f+AU9wbq+0eTWKSlMMp+w5snJ7kka62Te/L:OOI9H+0NzZ2d

Entry address:
0x13A7E

Entry point:
E8, 33, BF, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 20, 53, 43, 00, E8, 3C, 48, 00, 00, E8, EB, 38, 00, 00, 0F, B7, F0, 6A, 02, E8, C6, 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...
 
[+]

Entropy:
6.8066

Code size:
166 KB (169,984 bytes)

The file yandexpacksetup.exe has been seen being distributed by the following 13 URLs.

http://cache-turk06.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-ams06.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-ams06.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-turk01.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexPackSetup.exe

http://cache-turk03.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-turk05.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-turk02.cdn.yandex.net/download.yandex.ru/yandex-pack/.../YandexPackSetup.exe

http://cache-turk02.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-ams02.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-turk06.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-turk04.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-default06e.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

http://cache-default06g.cdn.yandex.net/downloader.yandex.net/yandex-pack/.../YandexSearch.exe

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