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1f774171-a864-95af-634d-d2f81fd36c38_1d1cee895a5fec0

Yandex Installer

YANDEX LLC

The file 1f774171-a864-95af-634d-d2f81fd36c38_1d1cee895a5fec0 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 cache-spb03.cdn.yandex.net.
Publisher:
YANDEX LLC  (signed and verified)

Product:
Yandex Installer

Version:
50.0.2661.8153

MD5:
f4b288dd17cbbd6cf416dfaf0fc92ba8

SHA-1:
5baae1d86e02fe93faa291616a8899c3bccaa342

SHA-256:
20343ed2fa91d987b7f235872c5771d44f3fdcb730098bd0dbcb516ed00d47ab

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 2:11:47 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex.Installer.Meta (L)
16.6.25.1

File size:
494.8 KB (506,688 bytes)

Product version:
50.0.2661.8153

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

Common path:
C:\ProgramData\microsoft\microsoft antimalware\scans\filesstash\1f774171-a864-95af-634d-d2f81fd36c38_1d1cee895a5fec0

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:
5/30/2016 9:53:56 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:VYXjFmI63vOrToenRzpXFq+V7MtRUgGRzJoicBuUZTN1RJ+pzwC/q:VYx+0TokR9XFjVAHS6uC50wCy

Entry address:
0x2526F

Entry point:
E8, AD, C8, 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, 1C, DE, 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, 85, 1F, 00, 00, C7, 00, 16, 00, 00, 00, E8, 23, D4, FF, FF, EB, 4D, 8B, 45, F0, 83, B8, A8, 00, 00, 00, 00, 75, 0F, 51, 53, 57, E8, D9, C9, 00, 00, 83, C4, 0C, 8B, F0, EB, 32, 2B, FB, 0F, B6, 04, 1F, 8D, 4D, F0, 51, 50, E8, BD, DF, FF, FF, 8D...
 
[+]

Code size:
247.5 KB (253,440 bytes)

The file 1f774171-a864-95af-634d-d2f81fd36c38_1d1cee895a5fec0 has been seen being distributed by the following URL.

https://cache-spb03.cdn.yandex.net/download.cdn.yandex.net/browser/yandex/ru/.../Yandex.exe

herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.