Summary

Summary
Action
More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 17 April 2006 15:47:20 (GMT) |
| Cleanup available since | April 2006 |
| Detected by | All Sophos products |
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Action

Summary
Action
More Information
Please follow the instructions for removing worms.
More Information
W32/Bagle-GO is a mass-mailing worm for the Windows platform.
Messages sent by the worm will have the following characteristics:
Subject: chosen randomly from
=?koi8-r?Q?=F0=D2=C9=D7=C5=D4=2C=CB=C1=CB=C9=C5_ =CE=CF=D7=CF=D3=D4=C9=3F?=
=?koi8-r?Q?=F4=D9_=D3=C5=C7=CF=C4=CE=D1_=CB=CF_ =CD=CE=C5_=D0=D2=C9=C5=C4?=
=?koi8-r?Q?=C5=DB=D8=3F?=
=?koi8-r?Q?=F1_=D4=C5=C2=D1_=D3=C5=C7=CF=C4=CE=D1_ =D7=C9=C4=C5=CC=C1?=
Message text: non-Latin characters
Attachment name: chosen randomly from
new.cab
me.cab
you.cab
cool.cab
Re.cab
The attachment contains a file with a random basename and one of the following double extensions:
.cab .cpl
.doc .cpl
.txt .cpl
.avi .cpl
.mpeg .cpl
W32/Bagle-GO contains functionality to download and install updated versions of itself from preconfigured URLs. W32/Bagle-GO is a mass-mailing worm for the Windows platform.
Messages sent by the worm will have the following characteristics:
Subject: chosen randomly from
=?koi8-r?Q?=F0=D2=C9=D7=C5=D4=2C=CB=C1=CB=C9=C5_ =CE=CF=D7=CF=D3=D4=C9=3F?=
=?koi8-r?Q?=F4=D9_=D3=C5=C7=CF=C4=CE=D1_=CB=CF_ =CD=CE=C5_=D0=D2=C9=C5=C4?=
=?koi8-r?Q?=C5=DB=D8=3F?=
=?koi8-r?Q?=F1_=D4=C5=C2=D1_=D3=C5=C7=CF=C4=CE=D1_ =D7=C9=C4=C5=CC=C1?=
Message text: non-Latin characters
Attachment name: chosen randomly from
new.cab
me.cab
you.cab
cool.cab
Re.cab
The attachment is a CAB archive detected as W32/Bagle-GN, and contains a file with a random basename and one of the following double extensions:
.cab .cpl
.doc .cpl
.txt .cpl
.avi .cpl
.mpeg .cpl
This CPL file is also detected as W32/Bagle-GO.
When run, a filename with the same name as itself but without the CPL extension containing non-Latin characters may dropped to the current folder and opened.
When first run W32/Bagle-GO copies itself to <Windows>\csrss.exe and to <Temp>\ntsys.exe.
The following registry entry is changed to run W32/Bagle-GO on startup:
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe
Debugger
<Windows>\csrss.exe
W32/Bagle-GO creates registry entries for its own use beneath
HKCU\Software\Microsoft\Windows NT\CurrentVersion\Devices
W32/Bagle-GO contains functionality to download and install updated versions of itself from preconfigured URLs.
