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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 11 anti-malware scanners. This file is typically installed with the program Guard@Mail.Ru by Mail.Ru. While running, it connects to the Internet address kojura.mail.ru on port 80 using the HTTP protocol.
Publisher:
LLC Mail.Ru  (signed and verified)

Product:
GuardMailRu Module

Version:
1, 0, 0, 638

MD5:
3aefaf05220a9bb6193cdb37ed518135

SHA-1:
235b180cd64c6edf2cc01710031dd9d452bd9b63

SHA-256:
9432935e62a73517368731c56b28a0f84ca5955b5dfb6f3d0fd80116d523648d

Scanner detections:
11 / 68

Status:
Potentially unwanted

Analysis date:
4/19/2024 12:37:05 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:BrowserTakeover-A [PUP]
2014.9-140307

AVG
MalSign.Generic
2015.0.3542

Baidu Antivirus
Trojan.Win32.RuMail
4.0.3.14328

Bkav FE
W32.Clod21c.Trojan
1.3.0.4613

Comodo Security
Application.Win32.RuMail.pwhe
17604

Dr.Web
Adware.Downware.533
9.0.1.087

McAfee
Artemis!E3169A1E78E0
5600.7177

Reason Heuristics
PUP.Optional.MailRu.L
14.3.28.18

Rising Antivirus
PE:Trojan.RuMail!1.6574
23.00.65.14326

Sophos
RsMall
4.94

Trend Micro House Call
TROJ_GEN.F47V0614
7.2.87

File size:
6.4 MB (6,762,016 bytes)

Product version:
1, 0, 0, 638

Copyright:
Copyright 2010

Original file name:
GuardMailRu.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\mail.ru\guard\guardmailru.exe

Digital Signature
Signed by:
LLC Mail.Ru

Authority:
Thawte, Inc.

Valid from:
1/14/2014 4:00:00 AM

Valid to:
3/15/2016 3:59:59 AM

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

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
391BE08AD60C2810187D12419BF289D9

File PE Metadata
Compilation timestamp:
3/6/2014 8:01:06 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:fINNzEC9AglgZb5CRYxc9dIb4/LkXRtyL7J4yrZPJiq/LXKMUXTTSFaSTcHG0TZI:fE99ebt0/LkqnayrTzXbYnO0mDe8ioB

Entry address:
0x19B720

Entry point:
E8, 24, AF, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 5D, E9, 86, 0F, 00, 00, 8B, FF, 55, 8B, EC, FF, 75, 08, 51, E8, 11, B0, 00, 00, 59, 59, 5D, C2, 04, 00, 8B, FF, 51, C7, 01, 24, 7B, 64, 00, E8, 8D, AF, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 56, 8B, F1, E8, E3, FF, FF, FF, F6, 45, 08, 01, 74, 07, 56, E8, B8, FF, FF, FF, 59, 8B, C6, 5E, 5D, C2, 04, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 83, C1, 09, 51, 83, C0, 09, 50, E8, C1, B0, 00, 00, F7, D8, 59, 1B, C0, 59, 40, 5D, C2, 04, 00, CC, CC, CC, CC, CC, CC...
 
[+]

Code size:
2.1 MB (2,201,600 bytes)

The file GuardMailRu.exe has been discovered within the following programs.

Guard.Mail.ru  by Mail.Ru
Guard.Mail.ru is part of the Guard Mail service.
www.mail.ru
42% remove it
Guard@Mail.Ru  by Mail.Ru
Guard@Mail.Ru is part of the Guard Mail service.
42% remove it
 
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The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to kojura.mail.ru  (217.69.133.27:80)

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