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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 12 anti-malware scanners. While running, it connects to the Internet address vrrp-hoe.p.mail.ru on port 80 using the HTTP protocol.
Publisher:
LLC Mail.Ru  (signed and verified)

Product:
GuardMailRu Module

Version:
1, 0, 9, 792

MD5:
4ff3d1a95e22f82a95b7245f8cb0e035

SHA-1:
3deba95a6912cefa2b475d81aa4fb64ac7b22f02

SHA-256:
c136102f85ddbfa9090947326f1e2a234700e62b6a04d1625c7197e5ba26ae33

Scanner detections:
12 / 68

Status:
Potentially unwanted

Analysis date:
4/18/2024 5:48:05 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:BrowserTakeover-A [PUP]
2014.9-141010

AVG
MalSign.Generic
2015.0.3326

Baidu Antivirus
Trojan.Win32.RuMail
4.0.3.141010

Bkav FE
W32.Clodc0a.Trojan
1.3.0.4613

Comodo Security
Application.Win32.RuMail.pwhe
17604

Dr.Web
Adware.Downware.533
9.0.1.0283

McAfee
Artemis!E3169A1E78E0
5600.6982

Reason Heuristics
PUP.Optional.MailRu.L
14.10.10.7

Rising Antivirus
PE:Trojan.RuMail!1.6574
23.00.65.141008

Sophos
RsMall
4.96

Trend Micro House Call
TROJ_GEN.F47V1102
7.2.283

XVirus List
Win.Detected
2.3.31

File size:
7.4 MB (7,712,488 bytes)

Product version:
1, 0, 9, 792

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:
8/19/2014 4:00:00 AM

Valid to:
8/13/2016 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:
3C484F9655CF5CDDA51678E773A55BF3

File PE Metadata
Compilation timestamp:
10/8/2014 2:26:20 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:yS/e85q1x2yM/WLkwWbDijuhS8TK3cZHkm3GQTwPH5TZlXaeZrVXEMsyPoeZbs6u:BDq1x3oWjugNO0KCx9Zxy/pEpiYx4

Entry address:
0x1C1539

Entry point:
E8, 9B, F4, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 5D, E9, F3, 1B, 00, 00, 8B, FF, 55, 8B, EC, FF, 75, 08, 51, E8, 88, F5, 00, 00, 59, 59, 5D, C2, 04, 00, 8B, FF, 51, C7, 01, 1C, 11, 70, 00, E8, 04, F5, 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, B8, 80, 00, 00, F7, D8, 59, 1B, C0, 59, 40, 5D, C2, 04, 00, CC, CC, CC, CC, CC, CC...
 
[+]

Code size:
2.7 MB (2,812,928 bytes)

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

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

TCP (HTTP):
Connects to vrrp-hoe.p.mail.ru  (217.69.134.55:80)

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