Submission Summary:

What's been foundSeverity Level
Contains characteristics of an identified security risk.


Technical Details:


Possible Security Risk

Security RiskDescription
Backdoor.Agent.AJU Backdoor.Agent.AJU is a malicious backdoor trojan that is capable to run and open random TCP port in a multiple instances attempting to connect to its predefined public SMTP servers. It then spams itself in email with a file attached in zip and password protected format. Furthermore, the password is included in the body of the email.

Threat CategoryDescription
A network-aware worm that attempts to replicate across the existing network(s)
A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment


File System Modifications

#Filename(s)File SizeFile HashAlias
1 %Temp%\_check32.bat 103 bytes MD5: 0x3AFF9007437E04D852F4B27C455BBBAE
SHA-1: 0x5D6723BA70366E8B2652BB00EC67F5764FA1EC6C
(not available)
2 %Windir%\db32.txt 147 bytes MD5: 0x647B5A7658D9041F5F7D8D55971BA950
SHA-1: 0xA4E3DE8200DD23CCB89651A66C9A3CD098B9B9C2
(not available)
3 %Windir%\s32.txt 85 bytes MD5: 0xD042AFDD125C643DFBC1B38EAADF7936
SHA-1: 0x8750200C7C1F7699A2C5E55D7438F64766501CE5
(not available)
4 %System%\aspimgr.exe 77,824 bytes MD5: 0xD85C6DA62224996706063136DCB6D895
SHA-1: 0x47E8CBD33BA8D1D15142CB1E0D632819579DCC2C
Trojan.Damnec.Gen [PCTools]
Trojan.Asprox [Symantec]
Email-Worm.Win32.Agent.ha [Kaspersky Lab] [McAfee]
Troj/Asprox-Gen [Sophos]
Backdoor:Win32/Agent.ACG [Microsoft]
Win32.SuspectCrc [Ikarus]
5 [file and pathname of the sample #1] 49,664 bytes MD5: 0x476CEFA4CA9EC2E9E9E39D7CF1060432
SHA-1: 0x59FA2904E054B21A4623ABF67E5F2285C8959F29
Trojan.Damnec.Gen [PCTools]
Trojan.Asprox [Symantec]
Net-Worm.Win32.Aspxor.ab [Kaspersky Lab]
Virus.Win32.Agent.GPS [Ikarus]
Win32/Aspxor.worm.49664 [AhnLab]
6 %Windir%\ws386.ini 12 bytes MD5: 0xEB88059AF6D5E2B000848840AD6F6023
SHA-1: 0xA3405359551CE55BCCDB260D20738AFC1CBAB67D
(not available)


Memory Modifications

Process NameProcess FilenameMain Module Size
aspimgr.exe%System%\aspimgr.exe364,544 bytes
[filename of the sample #1][file and pathname of the sample #1]131,072 bytes

Service NameDisplay NameStatusService Filename
aspimgrMicrosoft ASPI Manager"Running"%System%\aspimgr.exe


Registry Modifications


Other details

80TCPaspimgr.exe (%System%\aspimgr.exe)



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