File Investigation Report
EXPLORER.EXE
Cloaked MalwarePC Cleanup in 3 Easy Steps
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Cloaked Malware
- Malicious Software
File Behavior
EXPLORER.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Changes the PC's date or time settings
- Executes a Process
- Copies files
- Disables safe mode on your PC
- Opens browser pop ups
- This process creates other processes on disk
- This Process Deletes Other Processes From Disk
- Adds products to the system registry
- Ability to execute files automatically on your PC
- Writes to another Process's Virtual Memory (Process Hijacking)
- Makes outbound connections to other computers using NETBIOSOUT protocols
- Found on infected systems and resists interrogation by security products
- Registers a Dynamic Link Library File
- Changes the Windows Security Center to stop Antivirus status alerts from being displayed
- Changes the Windows Security Senter to stop Firewall status alerts from being displayed
- Changes the Windows Security Center to stop Firewall override alerts from being displayed
- Changes the Windows Security Center to stop warnings from being displayed if automatic Windows Updates are not enabled
- Injects code into other processes
- The Process is polymorphic and can change its structure
- Deletes Links in the Start Menu
- Adds a Link in the Start Menu
- Disables the built in Windows File Protection System
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Uses DNS to retrieve the IP address for web sites
- Reads email address and phone book details
- Runs Javascript code
- Visits web sites on your PC without you knowing
- Creates system tray popups, messages, errors and security warnings
- Sets processes to start during user logon
- Looks at the contents of the autoexec.bat file
- Uses backdoor interfaces to certain security applications
- Creates new folders in the file system
- Modifies fixed, removable or USB drives using autorun to execute or spread infection
- Includes file creation code which could be used to test for interception by security products
- Uses your PC to connect to Chat rooms
- Uses functions commonly associated with BOTNET BOT agents
- Creates a new Background Service on the machine
EXPLORER.EXE has been the subject of the following behavior:
- Added as a Registry auto start to load Program on Boot up
- Copied to multiple locations on the system
- Executed as a Process
- Created as a process on disk
- Deleted as a process from disk
- Deleted as a Link in the Start Menu
- Added as a Link in the Start Menu
- Has code inserted into its Virtual Memory space by other programs
- This process has been seen to have code injected by malicious programs
- This Process may have been infected by a file infecting virus
- Created as a new Background Service on the machine
- Created by processes which appear to be checking for interception by security products
- Executed by Internet Explorer
- Registered as a Dynamic Link Library File
Country Of Origin
The filename EXPLORER.EXE was first seen on May 3 2007 in the following geographical regions of the Prevx community:
- The UNITED STATES on May 3 2007
- The UNITED KINGDOM on May 3 2007
- POLAND on May 14 2007
- SPAIN on May 22 2007
- GREAT BRITAIN on Mar 12 2009
- The EUROPEAN UNION on Nov 4 2009
File Name Aliases
EXPLORER.EXE can also use the following file names:
- FEJS2.EXE
- LOTOX.EXE
- TRIBALI.EXE
- JOWA.EXE
- ZA FEJS.EXE
- PHOTOSHOP CS 3.EXE
- JOWA I JA.EXE
- CRACK.EXE
- PAYLOADS.EXE
- ADOBEALMANCHORSERVICEALL.EXE
- ADOBEASSETSERVICES3ALL.EXE
- ADOBEAUM5.EXE
- ADOBECAMERARAW4.EXE
- ADOBECMAPSALL.EXE
- ADOBEBRIDGE2ALL.EXE
- ADOBECOLORCOMMONSETALL.EXE
- ADOBECOLOREU_EXTRASETTINGSALL.EXE
- ADOBECOLORJA_EXTRASETTINGSALL.EXE
- ADOBECOLORNA_RECOMMENDEDALL.EXE
- ADOBECOLORPHOTOSHOPALL.EXE
- ADOBEDEFAULTLANGUAGECS3ALL.EXE
- ADOBEDEVICECENTRALALL.EXE
- OEM.EXE
- ADOBE DEVICE CENTRAL CS3.EXE
- ADOBEEXTENDSCRIPTTOOLKITALL.EXE
- ADOBEFONTSALL.EXE
- ADOBEHELPVIEWERALL.EXE
- ADOBELINGUISTICSALL.EXE
- ADOBEPDFL8ALL.EXE
- ADOBEPDFSETTINGSNAEU.EXE
- ADOBEPHOTOSHOP10EN_US_VOLUME.EXE
- ADOBESTOCKPHOTOS1.EXE
- ADOBETYPESUPPORTALL.EXE
- ADOBEVERSIONCUECLIENT3ALL.EXE
- ADOBEWINSOFTLINGUISTICSPLUGINALL.EXE
- ADOBEXMPPANELSALL.EXE
- BRIDGESTARTMEETING.EXE
- REDIST.EXE
- RESOURCES.EXE
- COMMON.EXE
- ALERT.EXE
- SCRIPTS.EXE
- MEDIA.EXE
- CSS.EXE
- IMG.EXE
- PUNOL.EXE
- ZIKA ZA KOLA.EXE
- FAVORITES.EXE
- LINKS.EXE
- IMESH.EXE
- MY MUSIC.EXE
- MY PICTURES.EXE
- MY RECEIVED FILES.EXE
- DESKTOP.EXE
- START MENU.EXE
- PROGRAMS.EXE
- ACCESSORIES.EXE
- ACCESSIBILITY.EXE
- ENTERTAINMENT.EXE
- GT INTERACTIVE.EXE
- DRIVER.EXE
- WINRAR.EXE
- YOUTUBE DOWNLOADER.EXE
- MY DOCUMENTS.EXE
- TRACING.EXE
- WPPMEDIA.EXE
- WUAUC1T.EXE
- IEXPLORER.EXE
- W32AUTORUN!I697.EXE
- LSASS.EXE
- DATA KORISNIK.EXE
- DATA ODA.EXE
- EMPTY.PIF
- IMAGES.EXE
- STARTUP.EXE
- PRINTEC.EXE
- PICTURES.EXE
- WINDOWS.PIF
- DATA NAPITUPULU.EXE
- CONTACTS.EXE
- TEL.EXE
- USERDATA.EXE
- DCFOYIRL.EXE
- W2H6EP3Z.EXE
- COOKIES.EXE
- TAK NEKE GLUPOSTI.EXE
- BABIC PUNOL.EXE
- DCIM.EXE
- JURETOWO PUNOL.EXE
- DEDINO PUNOL SI SOUND.EXE
- FEJS.EXE
- NEW FOLDER.EXE
- JA.EXE
- !I!EXPLORER.EXE
Filesizes
The following file size has been seen:
- 20,828 bytes
- 1,052,160 bytes
- 147,456 bytes
- 59,392 bytes
- 36,864 bytes
- 1,032,192 bytes
File Type
The filename EXPLORER.EXE refers to many versions of an executable program.
File Activity
One or more files with the name EXPLORER.EXE creates, deletes, copies or moves the following files and folders:
- Copies filec:\windows\system32\urlmon.dll to c:\windows\system32\sysurl.dll
- Deletes c:\AUTORUN.INF
- Creates c:\AUTORUN.INF
- Deletes d:\AUTORUN.INF
- Creates d:\AUTORUN.INF
- Deletes c:\1.hiv
- Deletes c:\2.hiv
- Opens/modifes c:\autoexec.bat
- Creates c:\system.pif
- Creates c:\win1.pif
- Creates c:\win2.pif
- Creates c:\win3.pif
- Creates c:\win4.pif
- Creates c:\win5.pif
- Creates c:\docume~1\user\locals~1\temp\00000b9c00000cac.ur
- Deletes c:\docume~1\user\locals~1\temp\00000b9c00000cac.ur
- Creates c:\win6.pif
- Creates c:\win7.pif
- Creates c:\win8.pif
- Creates c:\win9.pif
- Creates c:\win10.pif
- Creates c:\win11.pif
- Creates c:\win12.pif
- Creates c:\win13.pif
- Creates c:\win19.pif
- Creates c:\win20.pif
- Deletes c:\windows\temp\scs1D.tmp
- Deletes c:\windows\temp\scs2B.tmp
- Deletes c:\windows\temp\scs20.tmp
- Deletes c:\windows\temp\scs2D.tmp
- Deletes c:\windows\temp\scs26.tmp
- Deletes c:\windows\temp\scs2F.tmp
- Deletes c:\windows\temp\scs28.tmp
- Deletes c:\windows\temp\scs34.tmp
- Deletes c:\windows\temp\scs32.tmp
- Deletes c:\windows\temp\scs36.tmp
- Deletes c:\windows\temp\scs3B.tmp
- Deletes c:\windows\temp\scs3D.tmp
- Deletes c:\windows\temp\scs41.tmp
- Deletes c:\windows\temp\scs43.tmp
- Deletes c:\windows\temp\scs47.tmp
- Deletes c:\windows\temp\scs49.tmp
- Deletes c:\windows\temp\scs4D.tmp
- Deletes c:\windows\temp\scs4F.tmp
- Deletes c:\windows\temp\scs55.tmp
- Deletes c:\windows\temp\scs59.tmp
- Deletes c:\windows\temp\scs5B.tmp
- Deletes c:\windows\temp\scs5D.tmp
- Deletes c:\windows\temp\scs61.tmp
- Deletes c:\windows\temp\scs63.tmp
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