File Investigation Report
HLDRRR.EXE
Cloaked MalwareYour PC is infected. The file called HLDRRR.EXE is considered unsafe and there may be other infections on your PC.
You should urgently check your PC and remove any malicious software including HLDRRR.EXE as soon as possible. The free version of Prevx will scan your PC for millions of spyware and malware infections in less than 2 minutes. Don't put your confidential data, or your identity at risk, check your PC now with Prevx.
Associated Malware Groups
The filename is associated with the malware groups:
- Cloaked Malware
- Malicious Software
- Worm
File Behavior
HLDRRR.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Adds products to the system registry
- Modifies Windows Security Policies to restrict/expand User Privileges on the machine
- Creates system tray popups, messages, errors and security warnings
- The Process is polymorphic and can change its structure
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Registers a Dynamic Link Library File
- This process creates other processes on disk
- Executes a Process
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Opens browser pop ups
- Terminates Processes
- This Process Deletes Other Processes From Disk
HLDRRR.EXE has been the subject of the following behavior:
- Added as a Registry auto start to load Program on Boot up
- Created as a process on disk
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- Copied to multiple locations on the system
- This Process may have been infected by a file infecting virus
- Executed from Temporary Folders
- Deleted as a process from disk
- Terminated as a Process
- Victim of a Heap Based Buffer Overflow Exploit
Country Of Origin
The filename HLDRRR.EXE was first seen on May 26 2007 in the following geographical regions of the Prevx community:
- Romania on May 26 2007
- Spain on Jan 13 2008
- France on Apr 21 2008
- Italy on Jun 26 2008
- Venezuela on Jan 7 2010
File Name Aliases
HLDRRR.EXE can also use the following file names:
- MIND_HARMONY_2.1.EXE
- FREEMEM_PROFESSIONAL_5.3_(WITH_CRACK).EXE
- PROXYCHECKER.NET_1.0.0.23.EXE
- CACHE_LISTER_FOR_WINGATE_0.6.EXE
- ESET_UPDATER.EXE
- ZEND_GUARD_5.0.0.EXE
- INTERNET_LOCK_5.1.0_KEY+SERIAL.EXE
- STYLEBUILDER_2.02_BETA_[CRACKED].EXE
- CUBEVISION_TEMPERATURE_CONVERTER_1.0.1.EXE
- ALLOK_VIDEO_JOINER_3.2.0807.EXE
- ALL_BUSINESS_LETTERS_2.4_KEY.EXE
- COMMTRAFFIC_3.1.2116_[KEY].EXE
- MYLIFE_ORGANIZED_1.9.0_(CRACK).EXE
- OUTSOURCE-XP_2.0.5.EXE
- I_LOVE_YOU_SCREENSAVER_1.EXE
- ALLEY_BAGGETT_SEX-E_SCREENSAVER_3.EXE
- ID_INSTALL_WATCH_1.2_(KEY+SERIAL).EXE
- ID_INSTALL_WATCH_1.2.EXE
- BRAINSTORM_THE_GAME_SHOW_1.0.EXE
- HOME_GAME_HERO_1.0.EXE
- PACKER_GAME_COUNTDOWN_1.0.EXE
- SUDOKU_PUZZLE_GAME_1.0.EXE
- THE_KANGAROO_JACK_AIRPLANE_GAME_1.0.EXE
- ADRIANA_LIMA_37_SCREENSAVER_1.0.EXE
- REGISTRY_CRAWLER_4.5.EXE
- REGISTRY_MECHANIC_5.2.EXE
- REGISTRY_WORKSHOP_2.7.EXE
- CLAUDE_MONET_ART_1.0_PATCH.EXE
- CLAUDE_MONET_ART_1.0.EXE
- ASTON_1.9.5_(KEY+SERIAL).EXE
- MEGALAB CD.EXE
- ACTUAL_WINDOWS_MANAGER_4.5_KEY+SERIAL.EXE
- EASEUS_PARTITION_MANAGER_1.6.2.EXE
- EASEUS_PARTITION_MANAGER_1.6.2_(PATCH).EXE
- WINSNAP_2.0.8_(WITH_CRACK).EXE
- PARAGON_PARTITION_MANAGER_8_BUILD_335.EXE
- EASEUS_PARTITION_MANAGER_1.1.EXE
- ADREM_SNMP_MANAGER_1.0.1.EXE
- GO!ZILLA_4.11.39_INSTALLER_#4_(KEY+SERIAL).EXE
- AIRCRAFT_INSTRUMENTS_ACTIVEX_COMPONENT_3.1_(KEY+SERIAL).EXE
- GOOGLETOOLBARNOTIFIER.EXE
- VISUALROUTE 2008 LITE EDITION 12.0D BUILD 3679.EXE
- HTML_GUARD_2.33_[KEY].EXE
- HTML_GUARD_2.33.EXE
- HTML GUARD 2.33.EXE
- HTML_GUARD_2.31.EXE
- GAME EXTRACTOR 2.0.EXE
- EXTERMINATE IT! 1.6.0.0.EXE
- MDELK.EXE
- HPWUSCHD2.EXE
- JUSCHED.EXE
- NETWAITING.EXE
- SUPERCOPIER2.EXE
- BEAGLE_SCREENSAVER_1.0.EXE
- 024H_LUCKY_REMINDER_1.83.EXE
- MSMSGS.EXE"
- MSNMSGR.EXE"
- !I!PXCONSOLE.EXE
- DUMPREP 0 -K
- 16-06-2006.EXE
- 1CLICK_DVD_TO_VCD_2.08.EXE
- 1-CLICK_SIGNUPSHIELD_SUITE_4.09.03_SERIAL.EXE
- 91347896.SVD
Filesizes
The following file size has been seen:
- 776,303 bytes
- 692,224 bytes
- 114,770 bytes
- 12,726 bytes
- 700,416 bytes
Vendor, Product and Version Information
Files with the name HLDRRR.EXE have been seen to have the following Vendor, Product and Version Information in the file header:
- ; TestProg MFC Application; 1, 0, 0, 1
- microsoft; setup; 25
- ; TestProg Application; 1, 0, 0, 1
- ; Microsoft®; 4.7
File Type
The filename HLDRRR.EXE refers to many versions of an executable program.
File Activity
One or more files with the name HLDRRR.EXE creates, deletes, copies or moves the following files and folders:
- create folder C:\WINDOWS\exefld
- Opens/modifes c:\autoexec.bat
Registry Activity
One or more files with the name HLDRRR.EXE creates or modifies the following registry keys and values:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run hldrrr C:\WINDOWS\system32\hldrrr.exe
- HKEY_CURRENT_USER\Software\FirstRRRun FirstRRRun value: