TROJ_PHIRES.AE
Windows 2000, Windows XP, Windows Server 2003

Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It disables Task Manager, Registry Editor, and Folder Options.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan creates the following folders:
- %Program Files%\Adobe\Adobe Dreamweaver CS2
- %Program Files%\Adobe\Photoshop CSX
- %Program Files%\Tencent
- %Program Files%\Tencent\QQPlayer
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).)
Other System Modifications
This Trojan modifies the following file(s):
- %Windows%\inf\intl.PNF
(Note: %Windows% is the Windows folder, which is usually C:\Windows.)
It deletes the following files:
- %Windows%\fonts\msgothic.ttf
- %Windows%\fonts\msuigoth.ttf
- %Windows%\fonts\MSMINCHO.TTF
- %Windows%\fonts\Gulim.ttf
- %Windows%\fonts\Gulimche.ttf
- %Windows%\fonts\Dotum.ttf
- %Windows%\fonts\Batang.ttf
- %Windows%\fonts\Gungsuh.ttf
- %Windows%\fonts\Simsun.ttf
- %Windows%\fonts\nsimsun.ttf
- %Windows%\fonts\MingLiU.ttf
- %Windows%\fonts\pmingliu.ttf
- %System%\SET1A.tmp
- %System%\kbd101b.dll
- %System%\SET20.tmp
- %System%\kbd101c.dll
- %System%\SET26.tmp
- %System%\kbd103.dll
- %System%\SET2C.tmp
- %System%\kbd106.dll
- %System%\SET32.tmp
- %System%\kbdjpn.dll
- %System%\SET38.tmp
- %System%\kbdkor.dll
(Note: %Windows% is the Windows folder, which is usually C:\Windows.. %System% is the Windows system folder, which is usually C:\Windows\System32.)
It adds the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\International\CpMRU
HKEY_CLASSES_ROOT\.lllll
HKEY_CLASSES_ROOT\nnnnnnn
HKEY_CLASSES_ROOT\nnnnnnn\DefaultIcon
HKEY_CLASSES_ROOT\nnnnnnn\CLSID
HKEY_CLASSES_ROOT\nnnnnnn\shell
HKEY_CLASSES_ROOT\nnnnnnn\shell\
open
HKEY_CLASSES_ROOT\nnnnnnn\shell\
open\command
HKEY_CLASSES_ROOT\nnnnnnn\shellex\
IconHandler
HKEY_CLASSES_ROOT\nnnnnnn\shellex\
ContextMenuHandlers
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
HideDesktopIcons\ClassicStartMenu
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
HideDesktopIcons\NewStartPanel
HKEY_CLASSES_ROOT\lnkfile\shell\
open\command
HKEY_CLASSES_ROOT\CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}\
shell
HKEY_CLASSES_ROOT\CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}\
shell\????
HKEY_CLASSES_ROOT\CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}\
shell\????\Command
HKEY_CLASSES_ROOT\CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}\
shell\??(&R)\Command
It adds the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\International\CpMRU
Enable = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\International\CpMRU
Size = "a"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\International\CpMRU
InitHits = "64"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\International\CpMRU
Factor = "14"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\International
W2KLpk = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
nnnnnnn\shell\open
CLSID = "{FBF23B40-E3F0-101B-8488-00AA003E56F8}"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
HideDesktopIcons\ClassicStartMenu
{871C5380-42A0-1069-A2EA-08002B30309D} = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
HideDesktopIcons\NewStartPanel
{871C5380-42A0-1069-A2EA-08002B30309D} = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}
InfoTip = "@shdoclc.dll,-880"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}\shell\
????
MUIVerb = "@shdoclc.dll,-10241"
It modifies the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
StartPage
Favorites = "{random values}"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.lnk\ShellNew
Command = "rundll32.exe appwiz.cpl,NewLinkHere %1"
(Note: The default value data of the said registry entry is rundll32.exe appwiz.cpl,NewLinkHere %1.)
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
lnkfile
EditFlags = "1"
(Note: The default value data of the said registry entry is 1.)
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}
LocalizedString = "@shdoclc.dll,-880"
(Note: The default value data of the said registry entry is {random values}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}\InProcServer32
ThreadingModel = "Apartment"
(Note: The default value data of the said registry entry is Apartment.)
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}\ShellFolder
Attributes = "0"
(Note: The default value data of the said registry entry is 20180000.)
It creates the following registry entry(ies) to disable Task Manager, Registry Tools and Folder Options:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
NoInternetIcon = "1"
It deletes the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
lnkfile\shell\open\
command
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
lnkfile\shell\open
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
lnkfile\shell
Dropping Routine
This Trojan drops the following files:
- %Program Files%\Adobe\Adobe Dreamweaver CS2\bbbbbbb.jse
- %Program Files%\Microsoft Office\Office12\fffffff.jse
- %Program Files%\Adobe\Photoshop CSX\zzzzzzz.jse
- %Program Files%\Adobe\Photoshop CSX\tao.ico
- %User Temp%\ÍøÖ·Ö®¼Ò.tmp
- %User Temp%\ÌÔ±¦Ãëɱ.tmp
- %System%\SET17.tmp
- %System%\SET1D.tmp
- %System%\SET23.tmp
- %System%\SET29.tmp
- %System%\SET2F.tmp
- %System%\SET35.tmp
- %Program Files%\Tencent\QQPlayer\s.cmd
- %Program Files%\Tencent\QQPlayer\1.cmd
- %Program Files%\Adobe\Photoshop CSX\ddddddd.jse
- %System%\SET1A.tmp
- %System%\SET20.tmp
- %System%\SET26.tmp
- %System%\SET2C.tmp
- %System%\SET32.tmp
- %System%\SET38.tmp
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %System% is the Windows system folder, which is usually C:\Windows\System32.)
This report is generated via an automated analysis system.
SOLUTION
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Enable Registry Editor, Task Manager, and Folder options
Step 3
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\International
- CpMRU
- In HKEY_CLASSES_ROOT
- .lllll
- In HKEY_CLASSES_ROOT
- nnnnnnn
- In HKEY_CLASSES_ROOT\nnnnnnn
- DefaultIcon
- In HKEY_CLASSES_ROOT\nnnnnnn
- CLSID
- In HKEY_CLASSES_ROOT\nnnnnnn
- shell
- In HKEY_CLASSES_ROOT\nnnnnnn\shell
- open
- In HKEY_CLASSES_ROOT\nnnnnnn\shell\open
- command
- In HKEY_CLASSES_ROOT\nnnnnnn\shellex
- IconHandler
- In HKEY_CLASSES_ROOT\nnnnnnn\shellex
- ContextMenuHandlers
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\HideDesktopIcons
- ClassicStartMenu
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\HideDesktopIcons
- NewStartPanel
- In HKEY_CLASSES_ROOT\lnkfile\shell\open
- command
- In HKEY_CLASSES_ROOT\CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}
- shell
- In HKEY_CLASSES_ROOT\CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}\shell
- ????
- In HKEY_CLASSES_ROOT\CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}\shell\????
- Command
- In HKEY_CLASSES_ROOT\CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}\shell\??(&R)
- Command
Step 4
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\International\CpMRU
- Enable = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\International\CpMRU
- Size = "a"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\International\CpMRU
- InitHits = "64"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\International\CpMRU
- Factor = "14"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\International
- W2KLpk = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\nnnnnnn\shell\open
- CLSID = "{FBF23B40-E3F0-101B-8488-00AA003E56F8}"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\HideDesktopIcons\ClassicStartMenu
- {871C5380-42A0-1069-A2EA-08002B30309D} = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\HideDesktopIcons\NewStartPanel
- {871C5380-42A0-1069-A2EA-08002B30309D} = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}
- InfoTip = "@shdoclc.dll,-880"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}\shell\????
- MUIVerb = "@shdoclc.dll,-10241"
Step 5
Restore these modified registry values
Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\StartPage
- From: Favorites = "{random values}"
To: Favorites = ""{random values}""
- From: Favorites = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.lnk\ShellNew
- From: Command = "rundll32.exe appwiz.cpl,NewLinkHere %1"
To: Command = ""rundll32.exe appwiz.cpl,NewLinkHere %1""
- From: Command = "rundll32.exe appwiz.cpl,NewLinkHere %1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\lnkfile
- From: EditFlags = "1"
To: EditFlags = ""1""
- From: EditFlags = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}
- From: LocalizedString = "@shdoclc.dll,-880"
To: LocalizedString = ""{random values}""
- From: LocalizedString = "@shdoclc.dll,-880"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}\InProcServer32
- From: ThreadingModel = "Apartment"
To: ThreadingModel = ""Apartment""
- From: ThreadingModel = "Apartment"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1f4de370-d627-11d1-ba4f-00a0c91eedba}\ShellFolder
- From: Attributes = "0"
To: Attributes = ""20180000""
- From: Attributes = "0"
Step 6
Search and delete these components
- %Program Files%\Adobe\Adobe Dreamweaver CS2\bbbbbbb.jse
- %Program Files%\Microsoft Office\Office12\fffffff.jse
- %Program Files%\Adobe\Photoshop CSX\zzzzzzz.jse
- %Program Files%\Adobe\Photoshop CSX\tao.ico
- %User Temp%\ÍøÖ·Ö®¼Ò.tmp
- %User Temp%\ÌÔ±¦Ãëɱ.tmp
- %System%\SET17.tmp
- %System%\SET1D.tmp
- %System%\SET23.tmp
- %System%\SET29.tmp
- %System%\SET2F.tmp
- %System%\SET35.tmp
- %Program Files%\Tencent\QQPlayer\s.cmd
- %Program Files%\Tencent\QQPlayer\1.cmd
- %Program Files%\Adobe\Photoshop CSX\ddddddd.jse
- %System%\SET1A.tmp
- %System%\SET20.tmp
- %System%\SET26.tmp
- %System%\SET2C.tmp
- %System%\SET32.tmp
- %System%\SET38.tmp
Step 7
Search and delete these folders
- %Program Files%\Adobe\Adobe Dreamweaver CS2
- %Program Files%\Adobe\Photoshop CSX
- %Program Files%\Tencent
- %Program Files%\Tencent\QQPlayer
Step 8
Scan your computer with your Trend Micro product to delete files detected as TROJ_PHIRES.AE. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
Step 9
Restore deleted/modified files and/or registry entries from backup
*Note: Only Microsoft-related files/keys/values will be restored. If this malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.
- %Windows%\inf\intl.PNF
Step 10
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- %Windows%\fonts\msgothic.ttf
- %Windows%\fonts\msuigoth.ttf
- %Windows%\fonts\MSMINCHO.TTF
- %Windows%\fonts\Gulim.ttf
- %Windows%\fonts\Gulimche.ttf
- %Windows%\fonts\Dotum.ttf
- %Windows%\fonts\Batang.ttf
- %Windows%\fonts\Gungsuh.ttf
- %Windows%\fonts\Simsun.ttf
- %Windows%\fonts\nsimsun.ttf
- %Windows%\fonts\MingLiU.ttf
- %Windows%\fonts\pmingliu.ttf
- %System%\SET1A.tmp
- %System%\kbd101b.dll
- %System%\SET20.tmp
- %System%\kbd101c.dll
- %System%\SET26.tmp
- %System%\kbd103.dll
- %System%\SET2C.tmp
- %System%\kbd106.dll
- %System%\SET32.tmp
- %System%\kbdjpn.dll
- %System%\SET38.tmp
- %System%\kbdkor.dll
Step 11
Restore these deleted registry keys/values from backup
*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\lnkfile\shell\open
- command
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\lnkfile\shell
- open
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\lnkfile
- shell
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