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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 kojura.mail.ru on port 80 using the HTTP protocol.
Publisher:
LLC Mail.Ru  (signed and verified)

Product:
GuardMailRu Module

Version:
1, 0, 9, 776

MD5:
b18ef74d463e5a5631f762483bce9185

SHA-1:
74d3aadf4e94a7c06629c3aa8ca97293956cd710

SHA-256:
d079493a08c7b8c882388bf081c03809f199c371049814753a2b57859fe890ad

Scanner detections:
12 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 3:51:33 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:BrowserTakeover-A [PUP]
2014.9-140917

AVG
MalSign.Generic
2015.0.3348

Baidu Antivirus
Trojan.Win32.RuMail
4.0.3.14917

Bkav FE
W32.Clodc0a.Trojan
1.3.0.4613

Comodo Security
Application.Win32.RuMail.pwhe
17604

Dr.Web
Adware.Downware.533
9.0.1.0260

McAfee
Artemis!E3169A1E78E0
5600.7004

Reason Heuristics
PUP.Optional.MailRu.L
14.9.17.15

Rising Antivirus
PE:Trojan.RuMail!1.6574
23.00.65.14915

Sophos
RsMall
4.96

Trend Micro House Call
TROJ_GEN.F47V1102
7.2.260

XVirus List
Win.Detected
2.3.31

File size:
6.8 MB (7,163,624 bytes)

Product version:
1, 0, 9, 776

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:
9/16/2014 11:43:16 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:mC28wzxJRsZnlwB2r8TDdfhxKRYoaveM/FLVR3iQKQc9CYIEGBXgst3n:gZJRMD8TDdKRYoW3/XRyDSXgsJ

Entry address:
0x1E5103

Entry point:
E8, 81, DE, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 5D, E9, 03, 15, 00, 00, 8B, FF, 55, 8B, EC, FF, 75, 08, 51, E8, 6E, DF, 00, 00, 59, 59, 5D, C2, 04, 00, 8B, FF, 51, C7, 01, DC, 97, 69, 00, E8, EA, DE, 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, 2E, 85, 00, 00, F7, D8, 59, 1B, C0, 59, 40, 5D, C2, 04, 00, CC, CC, CC, 8D, 42, FF...
 
[+]

Code size:
2.4 MB (2,478,080 bytes)

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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