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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 cache-default03f.cdn.yandex.net.
Publisher:
YANDEX LLC  (signed and verified)

Product:
Yandex Installer

Version:
46.0.2490.6476

MD5:
5494ff047905794ac58ee1777ba1c3ff

SHA-1:
8f3924d2d45c4a89c557990b05e6ca0cee8f62aa

SHA-256:
376e8379f437fb22ee9aa89bb2614a9f8c107a3c85ee7881b8805d6a091890e8

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 2:49:56 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex (L)
16.7.21.18

File size:
4.7 MB (4,909,008 bytes)

Product version:
46.0.2490.6476

Copyright:
Copyright © 2012-2015 YANDEX LLC. All Rights Reserved.

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\yandex.exe

Digital Signature
Signed by:
YANDEX LLC

Authority:
VeriSign, Inc.

Valid from:
1/15/2013 3:00:00 AM

Valid to:
1/16/2016 2:59:59 AM

Subject:
CN=YANDEX LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=YANDEX LLC, L=Moscow, S=Moscow, C=RU

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
3667E158B524C8FFBFE538172786F1E2

File PE Metadata
Compilation timestamp:
12/21/2015 11:14:06 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
98304:DjOkBMJ2H7BlgtwzwfenrYAHpfkaDarVcxXAMa9ppNBEipAO0Y6+0TsVxq:vOsPgtw8ferJjDmQupLEifjgs3q

Entry address:
0x21953

Entry point:
E8, 6B, D9, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 83, EC, 10, 83, 7D, 10, 00, 0F, 84, 9B, 00, 00, 00, 53, 56, 57, FF, 75, 14, 8D, 4D, F0, E8, CD, DC, FF, FF, 8B, 7D, 08, BE, FF, FF, FF, 7F, 85, FF, 74, 0E, 8B, 5D, 0C, 85, DB, 74, 07, 8B, 4D, 10, 3B, CE, 76, 12, E8, 81, 1F, 00, 00, C7, 00, 16, 00, 00, 00, E8, 95, D2, FF, FF, EB, 4D, 8B, 45, F0, 83, B8, A8, 00, 00, 00, 00, 75, 0F, 51, 53, 57, E8, 95, DA, 00, 00, 83, C4, 0C, 8B, F0, EB, 32, 2B, FB, 0F, B6, 04, 1F, 8D, 4D, F0, 51, 50, E8, BF, DE, FF, FF, 8D...
 
[+]

Code size:
232 KB (237,568 bytes)

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

https://cache-default03f.cdn.yandex.net/download.cdn.yandex.net/browser/calypso-exp/ru/.../Yandex.exe

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