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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. The file has been seen being downloaded from download5.fileeagle.com and multiple other hosts. While running, it connects to the Internet address cache-mskdataline03.cdn.yandex.net on port 80 using the HTTP protocol.
Publisher:
YANDEX LLC  (signed and verified)

Product:
Yandex Installer

Version:
16.9.1.1192

MD5:
138ce87f2793d5c0f77a6d0b0e2851e9

SHA-1:
c6c94b0f361aa872d6e7f7d5ce09174a0fd2cbe5

SHA-256:
6356426e247da79ca04a35ea2f374840f8bbace6f350bd9a3a7645b0c90128e7

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/21/2024 3:59:00 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex (L)
16.9.23.9

File size:
570.5 KB (584,184 bytes)

Product version:
16.9.1.1192

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 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:
9/20/2016 6:16:12 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
12288:caAPkLahoRr4acFmGBR48YlIpV59JXoTA:cael64aw39VXz

Entry address:
0x2C30F

Entry point:
E8, 69, 09, 00, 00, E9, 80, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, B9, 01, 00, 00, 00, F2, 0F, 10, 2D, 38, 56, 45, 00, EB, 1C, B9, 02, 00, 00, 00, F2, 0F, 10, 2D, 40, 56, 45, 00, EB, 0D, B9, 03, 00, 00, 00, F2, 0F, 10, 2D, 38, 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, 58, 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, 30...
 
[+]

Entropy:
6.8087

Code size:
319 KB (326,656 bytes)

The file yandex.exe has been seen being distributed by the following 2 URLs.

http://download5.fileeagle.com/files/2016/.../Yandex.exe

http://download7.fileeagle.com/files/2016/.../Yandex.exe

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

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

TCP (HTTP SSL):
Connects to api.browser.yandex.ru  (93.158.134.82:443)

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

TCP (HTTP SSL):
Connects to storage.ape.yandex.net  (213.180.193.55:443)

TCP (HTTP):
Connects to cache-mskstoredata03.cdn.yandex.net  (37.9.96.14:80)

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

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

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