yandex.exe

Yandex Installer

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 self-extracting archive and installer and has been known to bundle potentially unwanted software. The file has been seen being downloaded from www.softportal.com. While running, it connects to the Internet address cache-kiev04.cdn.yandex.net on port 443.
Publisher:
YANDEX LLC  (signed and verified)

Product:
Yandex Installer

Version:
16.10.0.2564

MD5:
2b5b8fc016a8ad83e96005fd3d197eea

SHA-1:
2944abab9d43cfb8c3329e5bc8616df45a6b2c89

SHA-256:
865cf9f37a6f2030d874a6fd401d2af0347e1a238ded961c8c805c930ec1c1e9

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 1:13:14 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex (L)
16.10.26.20

File size:
746.5 KB (764,408 bytes)

Product version:
16.10.0.2564

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 3:14:52 PM

Valid to:
9/25/2017 3:14:52 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:
10/21/2016 2:13:41 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
12288:6hv0Gi9w0LgnN/vitctO8CEYOGqu4Ok+xo+Krj4UgkdX1cKnLaH:6hs7wtCtct9848dKrjNgkkKnw

Entry address:
0x2C6FE

Entry point:
E8, 9A, 09, 00, 00, E9, 80, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, B9, 01, 00, 00, 00, F2, 0F, 10, 2D, 18, 56, 45, 00, EB, 1C, B9, 02, 00, 00, 00, F2, 0F, 10, 2D, 20, 56, 45, 00, EB, 0D, B9, 03, 00, 00, 00, F2, 0F, 10, 2D, 18, 56, 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, 38, 56, 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...
 
[+]

Code size:
320 KB (327,680 bytes)

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

http://www.softportal.com/getsoft-27367-yandeksbrauzer-100.html

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

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

TCP (HTTP SSL):
Connects to cache-kiev04.cdn.yandex.net  (141.8.174.89:443)

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

TCP (HTTP):
Connects to cdn.yandex.net  (5.45.205.231:80)

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