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W32.Elkern

In a few ways, it behaves like the CIH virus. Enduser & Server Endpoint Protection Comprehensive security for users and data. Sign in AccountManage my profileView sample submissionsHelpMalware Protection CenterSearchMenuSearch Malware Protection Center Search Microsoft.com Search the Web AccountAccountManage my profileView sample submissionsHelpHomeSecurity softwareGet Microsoft softwareDownloadCompare our softwareMicrosoft Security EssentialsWindows DefenderMalicious Software It will increase the file's size if there is not enough space.

Infect processes by injecting itself into the process memory space. Free Tools Try out tools for use at home. A few useful tools to manage this Site. Enduser & Server Endpoint Protection Comprehensive security for users and data. https://www.symantec.com/security_response/writeup.jsp?docid=2002-041819-3953-99

Free Tools Try out tools for use at home. Professional Services Our experience. The virus checks for the API function IsDebuggerPresent, using a fixed API address that only works under Windows 98. Intercept X A completely new approach to endpoint security.

Enduser & Server Endpoint Protection Comprehensive security for users and data. It also copies itself to the Program Files folder under a random name. On Win9x the virus creates the 'WQK' subkey in the following key: [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run] On Windows NT and 2000 the virus was supposed to drop itself asWQK.DLL file into Windows system (\System32\) Microsoft recommends selecting Automatically download the updates, and install them on the schedule that I specify and setting a regular update time.

When the virus code gets control, the initial decryptor which is low-polymorphic, decrypts the startup code code and passes control to it. This is the easiest way to remove these threats and should be tried first. Secure Web Gateway Complete web protection everywhere. https://www.f-secure.com/v-descs/elkern.shtml The virus is dropped into the Program Files folder and run by W32/Klez-H.

Then the virus starts to look for executable files on local and network drives and shares and infect them preserving files' time and attributes. Continue Learn More Some cookies on this site are essential, and the site won't work as expected without them. Get advice. Detection was added with the update shipped on 26th of October around 15 o'clock GMT.

Follow:I want to...Get helpRemove difficult malwareAvoid tech support phone scamsSee and search the latest threatsFind answers to other problemsFix my softwareFix updates and solve other problemsSee common error codesDownload and updateGet https://www.microsoft.com/security/portal/threat/encyclopedia/entry.aspx?Name=Win32/Elkern View and manage file attachments for this page. Klez had no destructive payload, but Elkern did. The worm created the virus's dropper with a random name in \Program Files\ folder and activated it.

This new variant is detected generically since October, 2001. --- Update June 11, 2002 ---All W95/Elkern variants were renamed to W32/Elkern. --- Update April 20, 2002 ---A new variant was recently Back to Top Back To Overview View Removal Instructions All Users:Use current engine and DAT files for detection and removal. Your peace of mind. For more information, see http://www.microsoft.com/athome/security/downloads/default.mspx Use strong passwords A strong password has at least eight characters and includes a combination of letters, numbers, and symbols.

That is why files specific to both W32/[email protected] and W32/Elkern.cav are likely to coexist on the same computer. To control third party cookies, you can also adjust your browser settings. Click Automatic Updates, and select Keep my computer up to date. The virus also modifies WQK.EXE file not to have any icon displayed by wiping the pointer to its resources (that is where the icons are stored).

Antivirus Protection Dates Initial Rapid Release version October 26, 2001 Latest Rapid Release version October 26, 2001 Initial Daily Certified version October 26, 2001 Latest Daily Certified version October 26, 2001 Solutions Industries Your industry. W32/ElKern-C contains routines to disable the on-access component of virus scanners developed by major anti-virus software vendors.

Compliance Helping you to stay regulatory compliant.

Elkern checks KERNEL32.DLL for the addresses of 27 API functions. Windows Defender detects and removes this program. OEM Solutions Trusted by world-leading brands. OEM Solutions Trusted by world-leading brands.

There is a small chance the payload will be activated any time an infected file is executed. Top Follow:I want to...Get helpRemove difficult malwareAvoid tech support phone scamsSee and search the latest threatsFind answers to other problemsFix my softwareFix updates and solve other problemsSee common error codesDownload and The virus first appeared on 25th-26th of October 2001. These cookies are set when you submit a form, login or interact with the site by doing something that goes beyond clicking on simple links.

These cookies are set when you submit a form, login or interact with the site by doing something that goes beyond clicking on simple links. Search Sign In Threat Analysis Threat Dashboard Free Trials Get Pricing Free Tools W32/ElKern-C Category: Viruses and Spyware Protection available since:19 Apr 2002 00:00:00 (GMT) Type: Win32 executable file virus Last Server Protection Security optimized for servers. Use caution with unknown attachments.

W32/ElKern-C is a parasitic virus very similar to W32/ElKern-A but which does not include a payload. Free Tools Try out tools for use at home. The removal of these entries is optional in Windows 95/98/Me. Before you edit the registry, you should make a backup.

It copies the host file to the system folder under the name wqk.exe. See pages that link to and include this page. This payload becomes active on March 13 and September 13. Variant:Elkern.B The Elkern.B virus appeared with the sample of Klez.E worm on 17th of January 2002.

Select a setting. English 简体中文 český English Français Deutsch Magyar Italiano 日本語 한국의 Polski Español 繁體中文 Legal Privacy Cookie Information 1 of 5 previous next close This site uses cookies. W32/ElKern-C infects all active processes on NT-based systems and the Explorer process on W9x based systems. The registry editor opens.

Let's talk! While many viruses contain a destructive payload, it's quite common for viruses to do nothing more than spread from one system to another. Symantec offers a tool to remove infections of all known variants of W32.Klez and W32.ElKern. In the 'Export range' panel, click 'All', then save your registry as Backup.