yandex.exe

Yandex

YANDEX LLC

The application yandex.exe 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 program which is used to install the application. The file has been seen being downloaded from download.cdn.yandex.net. While running, it connects to the Internet address cache-turk02.cdn.yandex.net on port 80 using the HTTP protocol.
Publisher:
YANDEX LLC  (signed and verified)

Product:
Yandex

Version:
17.1.0.2034

MD5:
31cdb7b7a0b2b1c08b38a7309ea7e023

SHA-1:
84b76501f71327ed6ef21e8b90404dd257afe75a

SHA-256:
5bddc791d0f7e2ada838afbf91dea98c2aa32e30a168dc3cfe9527da463ab6d6

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 12:54:23 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex (L)
17.1.27.16

File size:
2.9 MB (2,989,560 bytes)

Product version:
17.1.0.2034

Copyright:
Copyright © 2012-2016 YANDEX LLC. All Rights Reserved.

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:

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:
1/12/2017 3:14:22 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x2E2E5

Entry point:
E8, BD, 08, 00, 00, E9, 8E, FE, FF, FF, CC, B9, 01, 00, 00, 00, F2, 0F, 10, 2D, 08, BA, 45, 00, EB, 1C, B9, 02, 00, 00, 00, F2, 0F, 10, 2D, 10, BA, 45, 00, EB, 0D, B9, 03, 00, 00, 00, F2, 0F, 10, 2D, 08, BA, 45, 00, 66, 0F, 7E, C0, 25, FF, FF, FF, 7F, 3D, 00, 00, 80, 7F, 0F, 83, 4C, 01, 00, 00, F3, 0F, 5A, C0, 83, F9, 02, 75, 18, F2, 0F, 10, 15, 28, BA, 45, 00, 66, 0F, 2F, C2, 76, 0A, BA, 10, 00, 00, 00, E8, 3D, 01, 00, 00, 66, 0F, 2F, C5, 0F, 83, 21, 01, 00, 00, F2, 0F, 10, 35, 00, BA, 45, 00, 66, 0F, 2F...
 
[+]

Code size:
329 KB (336,896 bytes)

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

http://download.cdn.yandex.net/downloadable_soft/browser/.../Yandex.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP SSL):
Connects to api.browser.yandex.ru  (213.180.204.82:443)

TCP (HTTP):
Connects to clck.yandex.ru  (87.250.250.14:80)

TCP (HTTP):
Connects to cdn.yandex.net  (5.45.205.235:80)

TCP (HTTP):
Connects to cache-turk06.cdn.yandex.net  (5.255.197.22:80)

TCP (HTTP):
Connects to cache-turk02.cdn.yandex.net  (5.255.197.18:80)

TCP (HTTP):
Connects to cache-turk01.cdn.yandex.net  (5.255.197.17:80)

TCP (HTTP):
Connects to cache-mskdataline03.cdn.yandex.net  (5.45.221.13:80)

TCP (HTTP):
Connects to cache-turk05.cdn.yandex.net  (5.255.197.21:80)

TCP (HTTP):
Connects to cache-mskstoredata01.cdn.yandex.net  (37.9.96.12:80)

TCP (HTTP):
Connects to cache-mskdataline04.cdn.yandex.net  (5.45.221.14:80)

TCP (HTTP):
Connects to cache-ams02.cdn.yandex.net  (5.45.247.10:80)

TCP (HTTP):
Connects to cache-ams01.cdn.yandex.net  (5.45.247.9:80)

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