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GuardMailRu.exe

GuardMailRu Module

LLC Mail.Ru

The application GuardMailRu.exe by LLC Mail.Ru has been detected as a potentially unwanted program by 2 anti-malware scanners. While running, it connects to the Internet address mrds.mail.ru on port 80 using the HTTP protocol.
Publisher:
LLC Mail.Ru  (signed and verified)

Product:
GuardMailRu Module

Version:
1.13.9.126

MD5:
fb5f37c4cc75d23b9860e17693b1f59c

SHA-1:
ee91a7b0f0c8d79bd0b7bbcb63df3b1ec037ca1a

SHA-256:
c7671562bc2958f63799c9a971fad58f1f8d803c3158f9ceeb7be049e3c56345

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
3/12/2025 5:38:41 PM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/MailRu.H potentially unwanted application
6.3.12010.0

Reason Heuristics
Win32.Generic
17.1.29.1

File size:
5 MB (5,249,752 bytes)

Product version:
1.13.9.126

Copyright:
Copyright 2010

Original file name:
GuardMailRu.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\ProgramData\guard.mail.ru\guardmailru.exe

Digital Signature
Signed by:
LLC Mail.Ru

Authority:
thawte, Inc.

Valid from:
8/6/2015 6:00:00 AM

Valid to:
10/5/2017 5:59:59 AM

Subject:
CN=LLC Mail.Ru, O=LLC Mail.Ru, L=Moscow, S=Moscow, C=RU

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
2019877A933D8E2E71548EA4AB4827F1

File PE Metadata
Compilation timestamp:
9/6/2016 3:40:48 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
98304:/twLrlAkc4mHQovh9iB8A0540QhhYXtu82RuyQCQ5IQYRsOUDX:OhA4mNh9g8A0540Qj4uZfgT

Entry address:
0x277019

Entry point:
E8, 1A, 39, 01, 00, E9, 7F, FE, FF, FF, E9, B3, 01, 00, 00, FF, 35, 6C, D8, 8B, 00, FF, 15, 30, 12, 7C, 00, 85, C0, 74, 02, FF, D0, 6A, 01, 6A, 00, E8, 8C, E3, 00, 00, 59, 59, E9, A4, E3, 00, 00, 55, 8B, EC, 83, EC, 10, EB, 0D, FF, 75, 08, E8, A5, 3C, 01, 00, 59, 85, C0, 74, 11, FF, 75, 08, E8, B5, 6C, 00, 00, 59, 85, C0, 74, E6, 8B, E5, 5D, C3, 6A, 01, 8D, 45, FC, C7, 45, FC, EC, 14, 7D, 00, 50, 8D, 4D, F0, E8, 63, 16, 00, 00, 68, 90, 05, 87, 00, 8D, 45, F0, C7, 45, F0, E4, 14, 7D, 00, 50, E8, 9C, 17, 00...
 
[+]

Code size:
3.7 MB (3,931,136 bytes)

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

TCP (HTTP):
Connects to mrds.mail.ru  (217.69.139.245:80)

TCP (HTTP):
Connects to xml.binupdate.mail.ru  (217.69.139.247:80)

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