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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. While running, it connects to the Internet address cache-ash01.cdn.yandex.net on port 80 using the HTTP protocol.
Publisher:
YANDEX LLC  (signed and verified)

Product:
Yandex

Version:
17.1.1.1004

MD5:
b7ce781ffcc42bc63046d0fd8bdab21b

SHA-1:
b64b68c74e1c3bd10ff82eb80ad5a36d61f6bbb4

SHA-256:
91db91c315645a282a7cd5fbb1d078b122c81312e2c9833a86347d9e87c52fd8

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 1:58:26 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex (L)
17.2.13.3

File size:
564.5 KB (578,040 bytes)

Product version:
17.1.1.1004

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:
YANDEX LLC

Authority:
GlobalSign nv-sa

Valid from:
9/25/2015 5:44:52 AM

Valid to:
9/25/2017 5:44:52 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:
2/3/2017 11:54:43 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

Entry address:
0x2BFD2

Entry point:
E8, F6, 05, 00, 00, E9, 8E, FE, FF, FF, 55, 8B, EC, FF, 75, 08, E8, E1, F8, FF, FF, 59, 5D, C3, 55, 8B, EC, F6, 45, 08, 01, 56, 8B, F1, C7, 06, 90, 35, 45, 00, 74, 0A, 6A, 0C, 56, E8, D8, FF, FF, FF, 59, 59, 8B, C6, 5E, 5D, C2, 04, 00, 8B, 4D, F4, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, F2, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 6C, 80, 46, 00, 33, C5, 50, FF, 75, FC, C7, 45, FC, FF, FF, FF, FF, 8D, 45, F4, 64, A3, 00, 00...
 
[+]

Entropy:
6.8314

Code size:
320 KB (327,680 bytes)

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

TCP (HTTP):
Connects to clck.yandex.ru  (77.88.21.14:80)

TCP (HTTP):
Connects to cdn.yandex.net  (5.45.205.234:80)

TCP (HTTP):
Connects to cache-ash01.cdn.yandex.net  (100.43.94.14:80)

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

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