Prevx Research Division
Y[1].EXE
System Back DoorFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove Y[1].EXE.
"Just when you thought it couldn't get any better or faster. The Webroot scanning engine is 'high octane' with a hidden nitrous oxide system. Bravo!!!" W. Lodzinski, SecureAnywhere User
Associated Malware Groups
The filename is associated with the malware groups:
- System Back Door
- Cloaked Malware
- Malicious Software
- Malware Dropper
File Behavior
Y[1].EXE has been seen to perform the following behavior:
- This Process is a file infector which modifies program files to include a copy of the infection
- This process creates other processes on disk
- Executes a Process
- Reads email address and phone book details
- Includes file creation code which could be used to test for interception by security products
- Visits web sites on your PC without you knowing
- The Process is polymorphic and can change its structure
- Found on infected systems and resists interrogation by security products
- The Process is packed and/or encrypted using a software packing process
- Changes the Internet Explorer Home Page Settings
- Enables an In Process Object/Server - Common with DLL Injections
- Modifies System Runtime Policies to limit system usability
- Modifies Windows Security Policies to restrict/expand User Privileges on the machine
- Writes to another Process's Virtual Memory (Process Hijacking)
- Can communicate with other computer systems using HTTP protocols
- This Process Deletes Other Processes From Disk
- Creates new folders on the system
- Copies files
- Injects code into other processes
- Performs DNS look ups to resolve URL IP addresses
- Terminates Processes
- Uses rootkit techniques to conceal its presence, interrogation or removal
Y[1].EXE has been the subject of the following behavior:
- Executed as a Process
- Created as a process on disk
- Deleted as a process from disk
- Has code inserted into its Virtual Memory space by other programs
- Copied to multiple locations on the system
- Executed by Internet Explorer
- Executed from Temporary Folders
Country Of Origin
The filename Y[1].EXE was first seen on Jun 30 2007 in the following geographical regions of the Webroot community:
- Philippines on Jun 30 2007
- Europe on Jul 13 2007
- Ukraine on Mar 8 2009
- Singapore on Mar 8 2009
- The United States on Nov 5 2009
- The United Kingdom on Dec 16 2009
- Mexico on Oct 13 2010
- India on Oct 13 2010
- South Africa on Jan 19 2012
File Name Aliases
Y[1].EXE can also use the following file names:
- META[n].EXE
- DE.EXE.EXE
- MA[n].EXE
- AEJE.EXE
- AEJFE.EXE
- RFI.EXE
- CN.EXE.EXE
- ED3WOK.EXE
- LUL[n].EXE
- XC[n].EXE
- SCLEANER.EXE
- SETUP_Y6.EXE
- ZDRB.EXE
- SYS24.TMP.EXE
- SYSCR.EXE
- Y[3].EXE
- I[1].EXE
- K[1].EXE
- I[2].EXE
- Y[2].EXE
- D[1].EXE
- J[1].EXE
- Y.EXE
- PP.EXE
- 68.EXE
- WH.EXE
- WS.EXE
- TW.EXE
- TA.EXE
- RI.EXE
- 18.EXE
- 87.EXE
- 34.EXE
- 61.EXE
- 82.EXE
- 11.EXE
- 94934348
- 76354705
- Y_001.EXE
- IE19.TMP
- IE25.TMP
Filesizes
The following file size has been seen:
- 18,767 bytes
- 25,088 bytes
- 305,152 bytes
- 176,177 bytes
- 6,912 bytes
- 33,792 bytes
- 94,208 bytes
File Type
The filename Y[1].EXE refers to many versions of an executable program.
File Activity
One or more files with the name Y[1].EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\126.exe
- Creates c:\734.exe
- Creates c:\770.exe
- Creates c:\470.exe
- Creates c:\184.exe
- Creates c:\581.exe
- Creates c:\990.exe
- Creates c:\479.exe
- Creates c:\114.ex
- Creates c:\176.exe
- Creates c:\991.exe
- Creates c:\090.exe
- Creates c:\139.exe
- Creates c:\835.exe
- Creates c:\674.exe
- Creates c:\469.exe
- Creates c:\563.exe
- Creates c:\400.exe
- Creates c:\899.exe
- Creates c:\911.exe
- Creates c:\818.exe
- Creates c:\637.exe
- Creates c:\760.exe
- Creates c:\837.exe
- Creates c:\066.exe
- Creates c:\913.exe
- Creates c:\407.exe
- Creates c:\681.exe
- Creates c:\927.exe
- Creates c:\613.ex
- Creates c:\922.exe
- Creates c:\916.exe
- Creates c:\189.exe
- Creates c:\054.exe
- Creates c:\568.exe
- Creates c:\267.exe
- Creates c:\492.exe
- Creates c:\975.exe
- Creates c:\293.exe
- Creates c:\919.exe
- Creates c:\718.exe
- Creates c:\177.exe
- Creates c:\641.exe
- Creates c:\706.exe
- Creates c:\264.exe
- Creates c:\122.exe
- Creates c:\623.exe
- Creates c:\050.exe
- Creates c:\031.exe
- Creates c:\183.exe
Website Activity
One or more files with the name Y[1].EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- 98 .126 .32 .171 / wtfx / dl .php
- www .yahoo .com /
Help the Webroot Community to fight cyber crime
We are always looking for ways to improve the quality and speed of research to help us protect you from malicious software and cyber crime.
PCMag.com Editors' Choice Award Logo is a trademark of Ziff Davis Publishing Holdings Inc. Used under license.