瑞星卡卡安全论坛技术交流区可疑文件交流 Microsoft 命名为 Backdoor:Win32/Popwin.gen!H 的病毒

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Microsoft 命名为 Backdoor:Win32/Popwin.gen!H 的病毒

Microsoft 命名为 Backdoor:Win32/Popwin.gen!H 的病毒

反病毒引擎
版本最后更新扫描结果
AhnLab-V32008.10.22.02008.10.23-
AntiVir7.9.0.52008.10.23TR/Dropper.Gen
Authentium5.1.0.42008.10.23W32/Injector.A.gen!Eldorado
Avast4.8.1248.02008.10.23Win32:AutoRun-IC
AVG8.0.0.1612008.10.23Downloader.Generic7.BDAM
BitDefender7.22008.10.23Win32.Worm.Winko.I
CAT-QuickHeal9.502008.10.23-
ClamAV0.93.12008.10.23-
DrWeb4.44.0.091702008.10.23Trojan.Popwin.origin
eSafe7.0.17.02008.10.22Suspicious File
eTrust-Vet31.6.61642008.10.22Win32/Pipown!generic
Ewido4.02008.10.23-
F-Prot4.4.4.562008.10.22W32/Injector.A.gen!Eldorado
F-Secure8.0.14332.02008.10.23Suspicious:W32/Malware!Gemini
Fortinet3.113.0.02008.10.23PossibleThreat
GData192008.10.23Win32.Worm.Winko.I
IkarusT3.1.1.44.02008.10.23Trojan.Win32.Agent
K7AntiVirus7.10.5032008.10.22-
Kaspersky7.0.0.1252008.10.23Trojan.Win32.Pakes.lgv
McAfee54122008.10.23-
Microsoft1.40052008.10.23Backdoor:Win32/Popwin.gen!H
NOD3235482008.10.23probably a variant of Win32/TrojanDownloader.Flux
Norman5.80.022008.10.22-
Panda9.0.0.42008.10.23Suspicious file
PCTools4.4.2.02008.10.23-
Prevx1V22008.10.23-
Rising21.00.32.002008.10.23-
SecureWeb-Gateway6.7.62008.10.23Trojan.Dropper.Gen
Sophos4.34.02008.10.23Mal/Behav-027
Sunbelt3.1.1747.12008.10.23-
Symantec102008.10.23-
TheHacker6.3.1.0.1242008.10.23-
TrendMicro8.700.0.10042008.10.23BKDR_POPWIN.AW
VBA323.12.8.82008.10.22suspected of Trojan-PSW.Game.62 (paranoid heuristics)
ViRobot2008.10.23.14342008.10.23-
VirusBuster4.5.11.02008.10.22-
附加信息
File size: 25654 bytes
MD5...: cba31f142a6a9ac33cfee1d271ba32af
SHA1..: 88bdb30c5380a59e44f2c5b95c7cb5e904ffde95
SHA256: 7d9d8b539cadd5417e129cc38222eb006c80de972d33ff8166e20fd76352c2dd
SHA512: 819531e7d8ea33a752a4fca751d67cbcfe2552da4d02ed53fc64e2674cff33aa
53bebcac1ee3caeeb464e344870769f6fb13a21ea99def8de4c96ec99b8d28e4
PEiD..: ASPack v2.12
TrID..: File type identification
Win32 Executable Generic (42.3%)
Win32 Dynamic Link Library (generic) (37.6%)
Generic Win/DOS Executable (9.9%)
DOS Executable Generic (9.9%)
Autodesk FLIC Image File (extensions: flc, fli, cel) (0.0%)
PEInfo: PE Structure information

( base data )
entrypointaddress.: 0x418001
timedatestamp.....: 0x48ff462b (Wed Oct 22 15:26:35 2008)
machinetype.......: 0x14c (I386)

( 6 sections )
name viradd virsiz rawdsiz ntrpy md5
.text 0x1000 0x7000 0x1200 7.60 c817c1ddfb2a0a88d9018d010936830d
.rdata 0x8000 0x1000 0x600 6.45 5c2b0e97674effb80c21f8c72d7c5592
.data 0x9000 0xe000 0x3200 7.93 9366c395db6a15ff43e244ced0149b32
.rsrc 0x17000 0x1000 0x200 0.89 a2c613757ed4c8b4e7449ceb457c713c
.aspack 0x18000 0x2000 0x1200 5.87 7ccdd791e5dc6ab475dabe5e17a08d9c
.adata 0x1a000 0x1000 0x0 0.00 d41d8cd98f00b204e9800998ecf8427e

( 5 imports )
> kernel32.dll: GetProcAddress, GetModuleHandleA, LoadLibraryA
> msvcrt.dll: _controlfp
> user32.dll: FindWindowExA
> advapi32.dll: RegCreateKeyExA
> shell32.dll: ShellExecuteA

( 0 exports )
packers (Avast): ASPack
packers (Kaspersky): ASPack


2008-10-23 15:18瑞星病毒库无法检出


用户系统信息:Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648)

附件附件:

您所在的用户组无法下载或查看附件

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gototop
 

回复:Microsoft 命名为 Backdoor:Win32/Popwin.gen!H 的病毒

文件: 88642F08.EXE
大小: 25654 字节
MD5: CBA31F142A6A9AC33CFEE1D271BA32AF
SHA1: 88BDB30C5380A59E44F2C5B95C7CB5E904FFDE95
CRC32: DD0435C2
加壳类型:ASPack
编写语言:Microsoft Visual C++ 6.0

简单行为分析:

试图结束explorer.exe,

创建文件:
%windir%\Fonts\71AFC10C.DLL
%windir%\FONTS\F57BE19A.EXE
%windir%\Fonts\copy2090000.bat
%windir%\Fonts\del.bat

添加服务:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services,2643DD6F

释放文件并运行将自身拷贝到C:\WINDOWS\FONTS\目录下:
%windir%\Fonts\copy2090000.bat

其中描述如下:


引用:
@echo off
copy /y "具体文件路径\88642F08.EXE" "C:\WINDOWS\FONTS\F57BE19A.EXE" >nul
del %0


运行F57BE19A.EXE控制winlogon.EXE然后利用winlogon.exe控制当前进程中的所有进程;

调用PostMessageA函数向各个窗口发送WM_CLOSE消息;

释放文件C:\WINDOWS\Fonts\del.bat调用cmd删除88642F08.EXE及自身;
del.bat描述如下:


引用:
@echo off
:selfkill
del /F /Q "具体文件路径\88642F08.EXE"
if exist "具体文件路径\88642F08.EXE" goto selfkill
del %0
;
不认识我没关系,因为我也不认识你。
gototop
 

回复:Microsoft 命名为 Backdoor:Win32/Popwin.gen!H 的病毒

文件名:88642F08.EXE

病毒名:Trojan.Win32.Undef.sau


您所上报的病毒文件将在瑞星2008的20.68.40版本中处理解决,如遇特殊问题,可能会推后几个版本。
gototop
 
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