病毒来源:某网友提供;自己虚拟机里木马下载器也曾下载到,最近的求救已经呈现逐渐增多趋势 详细分析:
File: 1.1 Size: 43543 bytes MD5: 9139FD02F496B0F8205E13F55D6814A0 SHA1: 2F1DE9E0B851FDB9B7FC8EA368B7A87B38A13E4C CRC32: F564476E
1.1是个dll 用rundll32.exe加载后 生成如下文件 C:\WINDOWS\system32\1.1 C:\WINDOWS\system32\718.50(随机文件名)
病毒采用独占技术 无法删除 复制或者重命名
删除键 HKLM\SYSTEM\ControlSet001\Control\SafeBoot 破坏安全模式
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run下面 添加 键值C:\WINDOWS\system32\rundll32.exe 1.1 s 达到开机启动的目的
在 HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\System下面添加 键值项Disabecmd 数据为0x00000001 屏蔽cmd
监控如下进程或者阻止如下dll加载,如果发现立即结束并将其删除 mmskskin.dll kkclean.dll VirUnk.def AntiActi.dll Rsaupd.exe Iereset.dll Libclsid.dat KnetWch.sys CleanHis.dll WoptiClean.sys kakaliv.def libdll.dat kkinst.ini Ras.exe ishelp.exe trojandetector.exe KAConfig.dll KAVPassp.dll hsfw.dll wopticlean.exe 360safe.exe
并且通过监控子窗口查找如下字符,如果找到则将其进程结束并删除文件 Smallfrogs Kingsoft Antivirus Antispyware TrojanDetector Micropoint
后来研究发现文件并未被完全删除而是被移到了%temp%文件夹下 并且命名为_*.TMP *代表数字
修改hosts文件屏蔽常见杀毒软件的升级 61.152.244.167 114.vnet.cn 61.152.244.167 auto.search.msn.com 61.152.244.167 www.hao123.com 61.152.244.167 hao123.com 61.152.244.167 www.360safe.com 61.152.244.167 360safe.com 222.73.126.115 update.360safe.com 61.152.244.167 dl.360safe.com 61.152.244.167 bbs.360safe.com 61.152.244.167 www.btbaicai.com 61.152.244.167 btbaicai.com 61.152.244.167 www.pctutu.com 61.152.244.167 www.7322.com 61.152.244.167 www.5566.net 61.152.244.167 www.9991.com 61.152.244.167 9991.com 61.152.244.167 forum.ikaka.com 61.152.244.167 www.ikaka.com 222.73.126.115 update.ikaka.com 61.152.244.167 forum.jiangmin.com 222.73.126.115 update.jiangmin.com 61.152.244.167 post.baidu.com 222.73.126.115 update.rising.com.cn 61.152.244.167 online.rising.com.cn 222.73.126.115 center.rising.com.cn 61.152.244.167 up.duba.net 61.152.244.167 shadu.baidu.com 61.152.244.167 security.symantec.com 61.152.244.167 shadu.duba.net 61.152.244.167 online.jiangmin.com 61.152.244.167 cn.mcafee.com 61.152.244.167 www.ahn.com.cn 61.152.244.167 www.kaspersky.com.cn 61.152.244.167 www.pcav.cn 61.152.244.167 mopery.hits.io 61.152.244.167 www.luosoft.com 61.152.244.167 luosoft.com 61.152.244.167 www.im286.com 61.152.244.167 bbs.htmlman.net 61.152.244.167 10000.286er.com 61.152.244.167 im286.net 61.152.244.167 cool.47555.com 61.152.244.167 ju.qihoo.com 61.152.244.167 bbs.chinaz.com 222.73.126.115 dnl-cn1.kaspersky-labs.com ...(卡巴斯基升级网站几乎都被屏蔽) 61.152.244.167 ishare.sina.com.cn 61.152.244.167 www.google.com 61.152.244.167 google.com 61.152.244.167 www.google.cn 61.152.244.167 www.sogou.com 61.152.244.167 www.yahoo.com.cn 61.152.244.167 cn.yahoo.com 222.73.210.148 www.comewz.com 61.152.244.167 www.iask.com 61.152.244.167 iask.com 61.152.244.167 search.tom.com 61.152.244.167 page.so.163.com 61.152.244.167 www.soso.com 61.152.244.167 sou.china.com 61.152.244.167 toolsbar.kuaiso.com 61.152.244.167 www.kuaiso.com 61.152.244.167 m2126.com
连接网络下载木马 并生成如下文件 C:\WINDOWS\system32\56789a.lmn C:\WINDOWS\system32\hijklmn.123 C:\WINDOWS\system32\VOHATM.dll
解决方法: 1.使用Icesword(冰刃)找到C:\WINDOWS\system32\1.1 C:\WINDOWS\system32\718.50(随机文件名) 文件 右键 强制删除
2.打开sreng 启动项目 注册表 删除如下项目 [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run] <A><C:\WINDOWS\system32\rundll32.exe 1.1 s> [N/A] [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellExecuteHooks] <{B852FC96-B852-30DA-1EB8-FC9630DA741E}><C:\WINDOWS\system32\VOHATM.dll> [] 重启计算机 删除 C:\WINDOWS\system32\VOHATM.dll C:\WINDOWS\system32\56789a.lmn C:\WINDOWS\system32\hijklmn.123 3.开始 运行 输入regedit 展开 HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\System 将Disabecmd 的键值项删除
该病毒是一个恶性的类似AV终结者的病毒 由于他常由一些木马下载器下载,下载后他主要执行破坏计算机安全软件的作用,之后其他一些木马和病毒会纷至踏来,所以及时升级杀毒软件和防火墙,打全系统补丁,提防此类病毒的入侵
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