32 worm virus

Click on any of the disguised LNK files launches the associated malicious program, launcher or script, which can perform a number of malicious actions, including:. When it is launched, Ippedo's malicious executables first check to see if it is running in a virtual environment or if the machine includes files or processes that indicate it is used for malware analysis; if so, it will terminate itself.

The worm adds. The links are deceptively named to appear legitimate, but all point to the worm's main file. It also modifies the registry so that its copy is run each time Windows is started, and adds the following registry keys:. Javascript is disabled in your web browser For full functionality of this site it is necessary to enable JavaScript.

Classification Category :. Type :. Aliases :. Automatic action Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it. Manual removal If the LNK files are still present after automatic removal, we recommend performing a manual scan on any attached removable drives, and then a full system scan on the affected desktop machine.

In the F-Secure security product, go to the Settings menu. Under Manual scanning, untick the option Scan only known file types faster and then click OK.

Run a manual scan on the removable drive. After the scan is complete, select Handle all. Once the harmful items are cleaned, you should see a scanning report. After cleaning the removable drive, perform a full system scan on the affected desktop. Download and manually install security update MS For more information, visit the following Microsoft Web site:.

In this scenario, you must download the update from an uninfected computer, and then transfer the update file to the infected system. We recommend that you burn the update to a CD because the burned CD is not writable. Therefore, it cannot be infected. If a recordable CD drive is not available, a removable USB memory drive may be the only way to copy the update to the infected system.

If you use a removable drive, be aware that the malware can infect the drive with an Autorun. After you copy the update to the removable drive, make sure that you change the drive to read-only mode, if the option is available for your device. If read-only mode is available, it is typically enabled by using a physical switch on the device. Then, after you copy the update file to the infected computer, check the removable drive to see whether an Autorun.

If it was, rename the Autorun. Reset any Local Admin and Domain Admin passwords to use a new strong password. In the details pane, right-click the netsvcs entry, and then click Modify. B, the service name was random letters and was at the bottom of the list.

With later variants, the service name may be anywhere in the list and may seem to be more legitimate. To verify, compare the list in the "Services table" with a similar system that is known not to be infected. Note the name of the malware service. You will need this information later in this procedure. Delete the line that contains the reference to the malware service. Make sure that you leave a blank line feed under the last legitimate entry that is listed, and then click OK. Notes about the Services table.

All the entries in the Services table are valid entries, except for the items that are highlighted in bold. The highlighted, malicious entry that is supposed to resemble the first letter is a lowercase "L. In a previous procedure, you noted the name of the malware service. In our example, the name of the malware entry was "Iaslogon. In Registry Editor, locate and then click the following registry subkey, where BadServiceName is the name of the malware service:. Right-click the subkey in the navigation pane for the malware service name, and then click Permissions.

In the Advanced Security Settings dialog box, click to select both of the following check boxes:. Inherit from parent the permission entries that apply to child objects. Include these with entries explicitly defined here.

Replace permission entries on all child objects with entries shown here that apply to child objects. Press F5 to update Registry Editor. Note the path of the referenced DLL. Remove the malware service entry from the Run subkey in the registry. In both subkeys, locate any entry that begins with "rundll Delete the entry.

Check for Autorun. Use Notepad to open each file, and then verify that it is a valid Autorun. The following is an example of a typical valid Autorun. Set Show hidden files and folders so that you can see the file. In step 12b, you noted the path of the referenced. For example, you noted a path that resembles the following:.

Click Tools , and then click Folder Options. Edit the permissions on the file to add Full Control for Everyone. Click Everyone , and then click to select the Full Control check box in the Allow column. Delete the referenced. Turn off Autorun to help reduce the effect of any reinfection. For more information, click the following article number to view the article in the Microsoft Knowledge Base:. If you are running Windows Vista or Windows Server , install security update Note Update and security update are not related to this malware issue.

These updates must be installed to enable the registry function in step 23b. If the system is running Windows Defender, re-enable the Windows Defender autostart location. To do this, type the following command at the command prompt:. To change this setting back, type the following command at a command prompt:.

If, after you complete this procedure, the computer seems to be reinfected, either of the following conditions may be true:. One of the autostart locations was not removed.

For example, either the AT job was not removed or an Autorun. Else, check this Microsoft article first before modifying your computer's registry. Delete this registry value [ Learn More ] [ back ] Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Search and delete this file [ Learn More ] [ back ] There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.

Search and delete these folders [ Learn More ] [ back ] Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result. INF files created by Worm. INF files created:.

Restart in normal mode and scan your computer with your Trend Micro product for files detected as Worm. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files.

Please check this Knowledge Base page for more information. Restore this modified registry value [ Learn More ] [ back ] Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. You may also check out this Microsoft article first before modifying your computer's registry. Download and apply this security patch Refrain from using these products until the appropriate patches have been installed.

Trend Micro advises users to download critical patches upon release by vendors. Microsoft Security Bulletin MS Analysis by: Mohammed Malubay. Infection Channel: Copies itself in all available physical drives, Propagates via removable drives, Propagates via software vulnerabilities, Propagates via network shares.

File Size: , bytes. Memory Resident: Yes. Initial Samples Received Date: 07 Feb Minimum Scan Engine: 9. Step 1 Before doing any scans, Windows 7, Windows 8, Windows 8. In the left panel, click General. In the right panel, scroll down to the bottom to find the Advanced startup section, then click the Restart now button and wait for the system to restart.