Gen:Variant.Strictor.102159 (B) (Emsisoft), Gen:Variant.Strictor.102159 (AdAware), Worm.Win32.AutoIt.FD, WormAutoItGen.YR (Lavasoft MAS)Behaviour: Worm
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 0bffd578eb4e1b58f2e2637fd6898bf3
SHA1: c29dfa5b399948e815dfd78a3b4859a2d43af53a
SHA256: e0d6d8b3f97a4d82731a0829a3b75b35d22a8d9cc9abc2a8d4be9cc5318d4f4a
SSDeep: 12288:YDIhGkUWuUb0fBK/Q8RzZ6OPZhJxFx2aDWrnc8MFMRI/SAVWlgaQ16H3:YUhGkTPbXZNFxfDWjMGRtAjaQ16H3
Size: 1193752 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2016-04-10 22:48:14
Analyzed on: WindowsXP SP3 32-bit
Summary: Worm. A program that is primarily replicating on networks or removable drives.
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Worm creates the following process(es):
%original file name%.exe:1832
The Worm injects its code into the following process(es):No processes have been created.
Mutexes
The following mutexes were created/opened:
ShimCacheMutex
File activity
The process %original file name%.exe:1832 makes changes in the file system.
The Worm creates and/or writes to the following file(s):
%System%\drivers\etc\hosts (308 bytes)
Registry activity
The process %original file name%.exe:1832 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F9 1B D6 29 AA C8 D4 A6 53 E9 5C 38 13 69 57 A9"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
Dropped PE files
There are no dropped PE files.
HOSTS file anomalies
The Worm modifies "%System%\drivers\etc\hosts" file which is used to translate DNS entries to IP addresses. The modified file is 1062 bytes in size. The following strings are added to the hosts file listed below:
37.252.249.4 | server20901.teamviewer.com |
37.252.249.4 | server20902.teamviewer.com |
37.252.249.4 | server20903.teamviewer.com |
37.252.249.4 | server20904.teamviewer.com |
37.252.249.4 | server20905.teamviewer.com |
37.252.249.4 | server20906.teamviewer.com |
37.252.249.4 | server20907.teamviewer.com |
37.252.249.4 | server20908.teamviewer.com |
Rootkit activity
No anomalies have been detected.
Propagation
Removals
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Terminate malicious process(es) (How to End a Process With the Task Manager):
%original file name%.exe:1832
- Delete the original Worm file.
- Delete or disinfect the following files created/modified by the Worm:
%System%\drivers\etc\hosts (308 bytes)
- Restore the original content of the HOSTS file (%System%\drivers\etc\hosts): 127.0.0.1 localhost
Static Analysis
VersionInfo
Company Name: AV MEDIA N
Product Name: FIX TEAMVIE
Product Version: 1.0.0.
Legal Copyright: 201
Legal Trademarks:
Original Filename: Fix Teamview.ex
Internal Name: Fix Teamview.ex
File Version: 1.0.0.
File Description: FIX TEAMVIE
Comments:
Language: Language Neutral
Company Name: AV MEDIA NProduct Name: FIX TEAMVIEProduct Version: 1.0.0.Legal Copyright: 201Legal Trademarks: Original Filename: Fix Teamview.exInternal Name: Fix Teamview.exFile Version: 1.0.0.File Description: FIX TEAMVIEComments: Language: Language Neutral
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
.text | 4096 | 576285 | 576512 | 4.62933 | 3579b820e63ecae919536fa27ee73bb5 |
.rdata | 581632 | 182162 | 182272 | 4.00652 | 2bb0ef0b2885465d7d4d69f5d4d948c6 |
.data | 765952 | 40756 | 25088 | 1.38944 | 20fe1a758168536b32c2bcffa42f356f |
.rsrc | 806912 | 366637 | 367104 | 1.46554 | 4af14bc6122650c204afdc7ded5c7463 |
.reloc | 1175552 | 41262 | 41472 | 3.60712 | 39aef1957523df127ec0c77be9b9dc1d |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Network Activity
URLs
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
Map
The Worm connects to the servers at the folowing location(s):
Strings from Dumps
%original file name%.exe_1832:
.text
.text
`.rdata
`.rdata
@.data
@.data
.rsrc
.rsrc
@.reloc
@.reloc
PSSSSSSh
PSSSSSSh
Gt.Ht$
Gt.Ht$
PSSSh@
PSSSh@
PVSSh@
PVSSh@
f;Crt
f;Crt
?#%X.y
?#%X.y
GetProcessWindowStation
GetProcessWindowStation
operator
operator
kernel32.dll
kernel32.dll
oleaut32.dll
oleaut32.dll
RegDeleteKeyExW
RegDeleteKeyExW
advapi32.dll
advapi32.dll
Error text not found (please report)
Error text not found (please report)
operand of unlimited repeat could match the empty string
operand of unlimited repeat could match the empty string
POSIX named classes are supported only within a class
POSIX named classes are supported only within a class
erroffset passed as NULL
erroffset passed as NULL
POSIX collating elements are not supported
POSIX collating elements are not supported
this version of PCRE is compiled without UTF support
this version of PCRE is compiled without UTF support
PCRE does not support \L, \l, \N{name}, \U, or \u
PCRE does not support \L, \l, \N{name}, \U, or \u
support for \P, \p, and \X has not been compiled
support for \P, \p, and \X has not been compiled
this version of PCRE is not compiled with Unicode property support
this version of PCRE is not compiled with Unicode property support
\N is not supported in a class
\N is not supported in a class
WSOCK32.dll
WSOCK32.dll
VERSION.dll
VERSION.dll
WINMM.dll
WINMM.dll
COMCTL32.dll
COMCTL32.dll
MPR.dll
MPR.dll
InternetCrackUrlW
InternetCrackUrlW
HttpQueryInfoW
HttpQueryInfoW
HttpOpenRequestW
HttpOpenRequestW
HttpSendRequestW
HttpSendRequestW
FtpOpenFileW
FtpOpenFileW
FtpGetFileSize
FtpGetFileSize
InternetOpenUrlW
InternetOpenUrlW
WININET.dll
WININET.dll
PSAPI.DLL
PSAPI.DLL
IPHLPAPI.DLL
IPHLPAPI.DLL
USERENV.dll
USERENV.dll
UxTheme.dll
UxTheme.dll
GetProcessHeap
GetProcessHeap
CreatePipe
CreatePipe
GetWindowsDirectoryW
GetWindowsDirectoryW
KERNEL32.dll
KERNEL32.dll
OpenWindowStationW
OpenWindowStationW
SetProcessWindowStation
SetProcessWindowStation
CloseWindowStation
CloseWindowStation
MapVirtualKeyW
MapVirtualKeyW
EnumChildWindows
EnumChildWindows
EnumWindows
EnumWindows
VkKeyScanW
VkKeyScanW
GetKeyState
GetKeyState
GetKeyboardState
GetKeyboardState
SetKeyboardState
SetKeyboardState
GetAsyncKeyState
GetAsyncKeyState
keybd_event
keybd_event
EnumThreadWindows
EnumThreadWindows
ExitWindowsEx
ExitWindowsEx
UnregisterHotKey
UnregisterHotKey
RegisterHotKey
RegisterHotKey
GetKeyboardLayoutNameW
GetKeyboardLayoutNameW
USER32.dll
USER32.dll
SetViewportOrgEx
SetViewportOrgEx
GDI32.dll
GDI32.dll
COMDLG32.dll
COMDLG32.dll
RegOpenKeyExW
RegOpenKeyExW
RegCloseKey
RegCloseKey
RegCreateKeyExW
RegCreateKeyExW
RegEnumKeyExW
RegEnumKeyExW
RegDeleteKeyW
RegDeleteKeyW
ADVAPI32.dll
ADVAPI32.dll
ShellExecuteW
ShellExecuteW
SHFileOperationW
SHFileOperationW
ShellExecuteExW
ShellExecuteExW
SHELL32.dll
SHELL32.dll
ole32.dll
ole32.dll
OLEAUT32.dll
OLEAUT32.dll
GetCPInfo
GetCPInfo
zcÃ
zcÃ
/7|N.sy5
/7|N.sy5
![%u[
![%u[
I%UUUUUUUUUUU
I%UUUUUUUUUUU
CC.PG
CC.PG
k.rfF
k.rfF
0 0$0(0,00040
0 0$0(0,00040
;#
;#
:.;4;8;
:.;4;8;
848:8?8]8
848:8?8]8
mscoree.dll
mscoree.dll
combase.dll
combase.dll
- CRT not initialized
- CRT not initialized
- Attempt to initialize the CRT more than once.
- Attempt to initialize the CRT more than once.
- floating point support not loaded
- floating point support not loaded
USER32.DLL
USER32.DLL
>>>AUTOIT NO CMDEXECUTE
>>>AUTOIT NO CMDEXECUTE
CMDLINERAW
CMDLINERAW
CMDLINE
CMDLINE
3executeL
3executeL
3ExecuteLin
3ExecuteLin
/AutoIt3ExecuteScript
/AutoIt3ExecuteScript
APPSKEY
APPSKEY
789:;?
789:;?
FTPSETPROXY
FTPSETPROXY
GUICTRLRECVMSG
GUICTRLRECVMSG
GUICTRLSENDMSG
GUICTRLSENDMSG
GUIGETMSG
GUIGETMSG
GUIREGISTERMSG
GUIREGISTERMSG
HOTKEYSET
HOTKEYSET
HTTPSETPROXY
HTTPSETPROXY
HTTPSETUSERAGENT
HTTPSETUSERAGENT
ISKEYWORD
ISKEYWORD
MSGBOX
MSGBOX
REGENUMKEY
REGENUMKEY
SHELLEXECUTE
SHELLEXECUTE
SHELLEXECUTEWAIT
SHELLEXECUTEWAIT
TCPACCEPT
TCPACCEPT
TCPCLOSESOCKET
TCPCLOSESOCKET
TCPCONNECT
TCPCONNECT
TCPLISTEN
TCPLISTEN
TCPNAMETOIP
TCPNAMETOIP
TCPRECV
TCPRECV
TCPSEND
TCPSEND
TCPSHUTDOWN
TCPSHUTDOWN
TCPSTARTUP
TCPSTARTUP
TRAYGETMSG
TRAYGETMSG
UDPBIND
UDPBIND
UDPCLOSESOCKET
UDPCLOSESOCKET
UDPOPEN
UDPOPEN
UDPRECV
UDPRECV
UDPSEND
UDPSEND
UDPSHUTDOWN
UDPSHUTDOWN
UDPSTARTUP
UDPSTARTUP
SendKeyDelay
SendKeyDelay
SendKeyDownDelay
SendKeyDownDelay
TCPTimeout
TCPTimeout
WINDOWSDIR
WINDOWSDIR
AUTOITEXE
AUTOITEXE
HOTKEYPRESSED
HOTKEYPRESSED
D%s (%d) : ==> %s.:
D%s (%d) : ==> %s.:
Line %d:
Line %d:
Line %d (File "%s"):
Line %d (File "%s"):
%s (%d) : ==> %s:
%s (%d) : ==> %s:
AutoIt script files (*.au3, *.a3x)
AutoIt script files (*.au3, *.a3x)
*.au3;*.a3x
*.au3;*.a3x
All files (*.*)
All files (*.*)
04090000
04090000
%u.%u.%u.%u
%u.%u.%u.%u
0.0.0.0
0.0.0.0
Mddddd
Mddddd
"%s" (%d) : ==> %s:
"%s" (%d) : ==> %s:
\??\%s
\??\%s
GUI_RUNDEFMSG
GUI_RUNDEFMSG
AUTOITCALLVARIABLE%d
AUTOITCALLVARIABLE%d
255.255.255.255
255.255.255.255
Keyword
Keyword
AUTOIT.ERROR
AUTOIT.ERROR
Null Object assignment in FOR..IN loop
Null Object assignment in FOR..IN loop
Incorrect Object type in FOR..IN loop
Incorrect Object type in FOR..IN loop
3, 3, 9, 22
3, 3, 9, 22
HKEY_LOCAL_MACHINE
HKEY_LOCAL_MACHINE
HKEY_CLASSES_ROOT
HKEY_CLASSES_ROOT
HKEY_CURRENT_CONFIG
HKEY_CURRENT_CONFIG
HKEY_CURRENT_USER
HKEY_CURRENT_USER
HKEY_USERS
HKEY_USERS
%d/d/d
%d/d/d
c:\%original file name%.exe
c:\%original file name%.exe
C:\%original file name%.exe
C:\%original file name%.exe
AutoIt supports the __stdcall (WINAPI) and __cdecl calling conventions. The __stdcall (WINAPI) convention is used by default but __cdecl can be used instead. See the DllCall() documentation for details on changing the calling convention.
AutoIt supports the __stdcall (WINAPI) and __cdecl calling conventions. The __stdcall (WINAPI) convention is used by default but __cdecl can be used instead. See the DllCall() documentation for details on changing the calling convention.
Missing operator in expression."Unbalanced brackets in expression.
Missing operator in expression."Unbalanced brackets in expression.
Error parsing function call.0Incorrect number of parameters in function call.'"ReDim" used without an array variable.>Illegal text at the end of statement (one statement per line).1"If" statement has no matching "EndIf" statement.1"Else" statement with no matching "If" statement.2"EndIf" statement with no matching "If" statement.7Too many "Else" statements for matching "If" statement.3"While" statement has no matching "Wend" statement.4"Wend" statement with no matching "While" statement.%Variable used without being declared.XArray variable has incorrect number of subscripts or subscript dimension range exceeded.#Variable subscript badly formatted.*Subscript used on non-accessible variable.&Too many subscripts used for an array.0Missing subscript dimensions in "Dim" statement.NNo variable given for "Dim", "Local", "Global", "Struct" or "Const" statement.
Error parsing function call.0Incorrect number of parameters in function call.'"ReDim" used without an array variable.>Illegal text at the end of statement (one statement per line).1"If" statement has no matching "EndIf" statement.1"Else" statement with no matching "If" statement.2"EndIf" statement with no matching "If" statement.7Too many "Else" statements for matching "If" statement.3"While" statement has no matching "Wend" statement.4"Wend" statement with no matching "While" statement.%Variable used without being declared.XArray variable has incorrect number of subscripts or subscript dimension range exceeded.#Variable subscript badly formatted.*Subscript used on non-accessible variable.&Too many subscripts used for an array.0Missing subscript dimensions in "Dim" statement.NNo variable given for "Dim", "Local", "Global", "Struct" or "Const" statement.
0Expected a "=" operator in assignment statement.*Invalid keyword at the start of this line.
0Expected a "=" operator in assignment statement.*Invalid keyword at the start of this line.
Invalid element in a DllStruct.*Unknown option or bad parameter specified.&Unable to load the internet libraries./"Struct" statement has no matching "EndStruct".HUnable to open file, the maximum number of open files has been exceeded.K"ContinueLoop" statement with no matching "While", "Do" or "For" statement.
Invalid element in a DllStruct.*Unknown option or bad parameter specified.&Unable to load the internet libraries./"Struct" statement has no matching "EndStruct".HUnable to open file, the maximum number of open files has been exceeded.K"ContinueLoop" statement with no matching "While", "Do" or "For" statement.
Invalid file filter given.*Expected a variable in user function call.1"Do" statement has no matching "Until" statement.2"Until" statement with no matching "Do" statement.#"For" statement is badly formatted.2"Next" statement with no matching "For" statement.N"ExitLoop/ContinueLoop" statements only valid from inside a For/Do/While loop.1"For" statement has no matching "Next" statement.@"Case" statement with no matching "Select"or "Switch" statement.:"EndSelect" statement with no matching "Select" statement.ORecursion level has been exceeded - AutoIt will quit to prevent stack overflow.&Cannot make existing variables static.4Cannot make static variables into regular variables.
Invalid file filter given.*Expected a variable in user function call.1"Do" statement has no matching "Until" statement.2"Until" statement with no matching "Do" statement.#"For" statement is badly formatted.2"Next" statement with no matching "For" statement.N"ExitLoop/ContinueLoop" statements only valid from inside a For/Do/While loop.1"For" statement has no matching "Next" statement.@"Case" statement with no matching "Select"or "Switch" statement.:"EndSelect" statement with no matching "Select" statement.ORecursion level has been exceeded - AutoIt will quit to prevent stack overflow.&Cannot make existing variables static.4Cannot make static variables into regular variables.
3This keyword cannot be used after a "Then" keyword.>"Select" statement is missing "EndSelect" or "Case" statement. "If" statements must have a "Then" keyword. Badly formated Struct statement."Cannot assign values to constants..Cannot make existing variables into constants.9Only Object-type variables allowed in a "With" statement.v"long_ptr", "int_ptr" and "short_ptr" DllCall() types have been deprecated. Use "long*", "int*" and "short*" instead.-Object referenced outside a "With" statement.)Nested "With" statements are not allowed."Variable must be of type "Object".1The requested action with this object has failed.8Variable appears more than once in function declaration.2ReDim array can not be initialized in this manner.1An array variable can not be used in this manner.
3This keyword cannot be used after a "Then" keyword.>"Select" statement is missing "EndSelect" or "Case" statement. "If" statements must have a "Then" keyword. Badly formated Struct statement."Cannot assign values to constants..Cannot make existing variables into constants.9Only Object-type variables allowed in a "With" statement.v"long_ptr", "int_ptr" and "short_ptr" DllCall() types have been deprecated. Use "long*", "int*" and "short*" instead.-Object referenced outside a "With" statement.)Nested "With" statements are not allowed."Variable must be of type "Object".1The requested action with this object has failed.8Variable appears more than once in function declaration.2ReDim array can not be initialized in this manner.1An array variable can not be used in this manner.
Can not redeclare a constant.5Can not redeclare a parameter inside a user function.HCan pass constants by reference only to parameters with "Const" keyword.*Can not initialize a variable with itself.$Incorrect way to use this parameter.:"EndSwitch" statement with no matching "Switch" statement.>"Switch" statement is missing "EndSwitch" or "Case" statement.H"ContinueCase" statement with no matching "Select"or "Switch" statement.
Can not redeclare a constant.5Can not redeclare a parameter inside a user function.HCan pass constants by reference only to parameters with "Const" keyword.*Can not initialize a variable with itself.$Incorrect way to use this parameter.:"EndSwitch" statement with no matching "Switch" statement.>"Switch" statement is missing "EndSwitch" or "Case" statement.H"ContinueCase" statement with no matching "Select"or "Switch" statement.
String missing closing quote.!Badly formated variable or macro.*Missing separator character after keyword.
String missing closing quote.!Badly formated variable or macro.*Missing separator character after keyword.
1.0.0.1
1.0.0.1
Fix Teamview.exe
Fix Teamview.exe