Win32/Agent.RZR [Threat Name] go to Threat
Win32/Agent.RZR [Threat Variant Name]
| Category | trojan |
| Size | 52224 B |
| Detection created | Nov 26, 2010 |
| Detection database version | 5650 |
| Aliases | Trojan.Win32.Danti.o (Kaspersky) |
| Infostealer.Hoardy (Symantec) |
Short description
Win32/Agent.RZR is a trojan designed to deliver various malware to the user's systems. The trojan serves as a backdoor. It can be controlled remotely.
Installation
When executed, the trojan creates the following files:
- %allusersprofile%\IEHelper\mshmtl.dll (72192 B, Win32/Spy.Agent.OXJ)
In order to be executed on every system start, the trojan sets the following Registry entry:
- [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
- "{FC2DDD1E-F536-D240-F456-A6DD58C42C5A}" = "C:\Windows\System32\rundll32.exe %allusersprofile%\IEHelper\mshtml.dll,,IEHelper"
The trojan may set the following Registry entries:
- [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]
- "DisableFirstRunCustomize" = 1
- "Check_Associations" = "no"
- [HKEY_CURRENT_USER\Software\Microsoft\Internet Connection Wizard]
- "Completed" = 1
- [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
- "IEHarden" = 0
- [HKEY_LOCAL_MACHINE\Software\Microsoft\Active Setup\Installed Components\{FC2DDD1E-F536-D240-F456-A6DD58C42C5A}]
Information stealing
Win32/Agent.RZR is a trojan that steals sensitive information.
The trojan collects the following information:
- information about the operating system and system settings
- computer name
- user name
- hardware information
- computer IP address
- MAC address
- list of files/folders on a specific drive
The trojan attempts to send gathered information to a remote machine.
Other information
The trojan acquires data and commands from a remote computer or the Internet.
The trojan contains a URL address. The HTTP protocol is used in the communication.
It may perform the following actions:
- download files from a remote computer and/or the Internet
- run executable files
- upload files to a remote computer
- execute shell commands
- various file system operations
- send gathered information