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yandex-stroka.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 yandex-stroka.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 setup and installation application and has been known to bundle potentially unwanted software. The file has been seen being downloaded from cache-novosibrt06.cdn.yandex.net.
Publisher:
Microsoft Corporation  (signed by YANDEX LLC)

Product:
Windows Installer XML

Description:
Software Installer

Version:
3.0.5419.0

MD5:
d462f1186833d0356e5347fe48e0c119

SHA-1:
e9fe2a656f1cf7094a785861b6b682dd014c7c89

SHA-256:
34bdb417b0fb2b09efe80e56a67cf1e2a2088e48c1c2d305d0bc3f280d7adf57

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/1/2024 5:38:24 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex.Pack.Installer
16.5.21.14

File size:
6.6 MB (6,884,160 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)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\yandex-stroka.exe

Digital Signature
Signed by:
YANDEX LLC

Authority:
GlobalSign nv-sa

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

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

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:
5/10/2016 4:30:25 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
98304:bgBtzBrK4hPdjXeCEussyyT+ZTmOtUaB9i6RsHZSR8OBCpzePLwGhWN:+ztKCP1XeCgyT+B8HZ3sNt0N

Entry address:
0x13A8E

Entry point:
E8, 23, BF, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 30, 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...
 
[+]

Entropy:
7.8815  (probably packed)

Code size:
166 KB (169,984 bytes)

The file yandex-stroka.exe has been seen being distributed by the following URL.

https://cache-novosibrt06.cdn.yandex.net/download.cdn.yandex.net/element/winsearchbar/ru/exp/.../yandex-stroka.exe

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