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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 scdn.softfiles.ru and multiple other hosts. While running, it connects to the Internet address cache-kiev03.cdn.yandex.net on port 443.
Publisher:
YANDEX LLC  (signed and verified)

Product:
Yandex

Version:
16.11.1.673

MD5:
6645404c885f1310d1aa52cd3535de57

SHA-1:
df6fe8d5cf6f8905374f5edebd0da3ad535d21a8

SHA-256:
c5ab491634f52dddf7966bb23454f15e39f276d1791a7b8f09451ad02bb37610

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/18/2024 2:13:28 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex (L)
16.12.27.8

File size:
1 MB (1,092,088 bytes)

Product version:
16.11.1.673

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

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\yandex.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:
12/19/2016 2:05:36 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x2D890

Entry point:
E8, 2A, 09, 00, 00, E9, 80, FE, FF, FF, CC, CC, CC, CC, CC, CC, B9, 01, 00, 00, 00, F2, 0F, 10, 2D, 68, AA, 45, 00, EB, 1C, B9, 02, 00, 00, 00, F2, 0F, 10, 2D, 70, AA, 45, 00, EB, 0D, B9, 03, 00, 00, 00, F2, 0F, 10, 2D, 68, AA, 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, 88, AA, 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, 60, AA...
 
[+]

Code size:
324.5 KB (332,288 bytes)

The file yandex.exe has been seen being distributed by the following 9 URLs.

http://scdn.softfiles.ru/2.html?parameter=Yandex_Browser_Rus_Setup.exe&clr=1

http://goo.gl/uvQ3rV

http://moiprogrammy.net/.../2090

http://cache-kiev12.cdn.yandex.net/download.yandex.ru/yandex-pack/browser/.../Yandex.exe

http://cache-kiev05.cdn.yandex.net/download.yandex.ru/yandex-pack/browser/.../Yandex.exe

http://relizua.com/.../go.php?url=aHR0cHM6Ly9nb28uZ2wvMnM5N25K

http://partner.softfiles.ru/10.html?parameter=Yandex_Browser_Rus_Setup.exe

http://oneprogs.ru/go.php?to=https://.../w4g8Bp

http://download.yandex.ru/yandex-pack/browser/.../Yandex.exe

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

TCP (HTTP):
Connects to clck.yandex.ru  (87.250.251.14:80)

TCP (HTTP SSL):
Connects to cdn.yandex.net  (5.45.205.231:443)

TCP (HTTP SSL):
Connects to cache-kiev03.cdn.yandex.net  (141.8.174.76:443)

TCP (HTTP SSL):
Connects to api.browser.yandex.ru  (87.250.250.82:443)

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