Trojan.Win32.FlyStudio_6d687d9242
Trojan.Generic.10332301 (AdAware), Trojan.Win32.FlyStudio.FD, GenericInjector.YR, TrojanFlyStudio.YR (Lavasoft MAS)
Behaviour: Trojan
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
MD5: 6d687d9242e7761e19e6b8363054452b
SHA1: 52d1cf091e31c842d36f72ed15d36a4d8870931e
SHA256: f813e90090e099d91223ef0d3ef3c6feae67fa006f883788d5aa1263e43c042c
SSDeep: 49152:f6autNnkN2lLtYtWCsVb6KUpZ hDg1F2d6K:Caut9m2lLtYt5SbWf YFCf
Size: 2027520 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6, MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, Armadillov171
Company: no certificate found
Created at: 2013-12-19 16:42:58
Analyzed on: WindowsXP SP3 32-bit
Summary:
Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).
Payload
No specific payload has been found.
Process activity
The Trojan creates the following process(es):
regsvr32.exe:468
The Trojan injects its code into the following process(es):
%original file name%.exe:328
File activity
The process %original file name%.exe:328 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\test.sys (6144 bytes)
C:\dm.dll (1347584 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\test.sys (0 bytes)
Registry activity
The process regsvr32.exe:468 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "CA DE A8 7D FF C3 14 9A EF 8A EB F0 C2 4C A4 00"
[HKCR\dm.dmsoft\CLSID]
"(Default)" = "{26037A0E-7CBD-4FFF-9C63-56F2D0770214}"
[HKCR\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib]
"(Default)" = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}"
[HKCR\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR]
"(Default)" = "C:\"
[HKCR\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32]
"ThreadingModel" = "Apartment"
[HKCR\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}]
"(Default)" = "dm.dmsoft"
[HKCR\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS]
"(Default)" = "0"
[HKCR\dm.dmsoft]
"(Default)" = "dm.dmsoft"
[HKCR\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}]
"(Default)" = "Idmsoft"
[HKCR\dm.dmsoft\CurVer]
"(Default)" = "dm.dmsoft"
[HKCR\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID]
"(Default)" = "dm.dmsoft"
[HKCR\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32]
"(Default)" = "{00020424-0000-0000-C000-000000000046}"
[HKCR\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid]
"(Default)" = "{00020424-0000-0000-C000-000000000046}"
[HKCR\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32]
"(Default)" = "C:\dm.dll"
[HKCR\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0]
"(Default)" = "Dm"
[HKCR\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32]
"(Default)" = "C:\dm.dll"
[HKCR\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib]
"Version" = "1.0"
The process %original file name%.exe:328 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "57 14 5D FD 1A B9 B2 2A 76 D2 99 A7 29 DA 12 37"
[HKCU\Software\Microsoft\Direct3D\MostRecentApplication]
"Name" = "%original file name%.exe"
[HKCU\Software\Super-EC\ЅыЦ№ЦШёґФЛРР]
"(Default)" = "0"
Network activity (URLs)
No activity has been detected.
HOSTS file anomalies
No changes have been detected.
Rootkit activity
The Trojan installs the following kernel-mode hooks:
KeAttachProcess
KeStackAttachProcess
ZwReadVirtualMemory
ZwWriteVirtualMemory
ZwProtectVirtualMemory
Propagation
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*
- Scan a system with an anti-rootkit tool.
- Terminate malicious process(es) (How to End a Process With the Task Manager):
regsvr32.exe:468
- Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temp\test.sys (6144 bytes)
C:\dm.dll (1347584 bytes) - Reboot the computer.
*Manual removal may cause unexpected system behaviour and should be performed at your own risk.