TrojanSpy.JS.TWINFLOWER.A
Null
Windows
Threat Type: Trojan Spy
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It requires its main component to successfully perform its intended routine. However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Arrival Details
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other System Modifications
This Trojan Spy adds the following registry entries as part of its installation routine:
HKEY_CURRENT_USER\Software\VB and VBA Program Settings
ck_m = {generated guid}
HKEY_CURRENT_USER\Software\VB and VBA Program Settings
{generated guid} = {last recorded time}
Information Theft
This Trojan Spy gathers the following data:
- Browser Cookies associated with the following URL's:
- mediav.com
- scorecardresearch.com
- so.com
- hao.360.com
- hao.360.cn
- 360.com
- 360.cn
- 1688.com
- nzwgs.com
- nzbdw.com
- s3m.nzwgs.com
- s3.nzbdw.com,
- s3m.mediav.com
- s3m.nzwgs.com
- tieba.baidu.com
- zhidao.baidu.com
- baike.baidu.com
- map.baidu.com
- wenku.baidu.com
- baijia.baidu.com
- youxi.baidu.com
- pan.baidu.com
- fanyi.baidu.com
- news.baidu.com
- jingyan.baidu.com
- image.baidu.com
- baijiahao.baidu.com
- ir.baidu.com
- e.baidu.com
- koubei.baidu.com
- xueshu.baidu.com
- tongji.baidu.com
- music.baidu.com
- passport.baidu.com
- ziyuan.baidu.com
- site.baidu.com
- jianyi.baidu.com
- 123.baidu.com
- house.baidu.com
- mbd.baidu.com
- fengchao.baidu.com
- v.baidu.com
- app.baidu.com
- ditu.baidu.com
- top.baidu.com
- bce.baidu.com
- anquan.baidu.com
- wiki.baidu.com
- icode.baidu.com
- haokan.baidu.com
- smartprogram.baidu.com
- sp0.baidu.com
- developer.baidu.com
- cloud.baidu.com
- m.baidu.com
- yq01.baidu.com
- naotu.baidu.com
- pos.baidu.com
- ai.baidu.com
- union.baidu.com
- index.baidu.com
- qiao.baidu.com
- mssp.baidu.com
- baobao.baidu.com
- help.baidu.com
- zhaopin.baidu.com
- maps.baidu.com
- video.baidu.com
- zhannei.baidu.com
- xin.baidu.com
- echarts.baidu.com
- www.baidu.com
- baidu.com
Stolen Information
This Trojan Spy sends the gathered information via HTTP POST to the following URL:
- http://yky.{BLOCKED}e.com:38275/api/ck.php?m={generated guid}
Other Details
This Trojan Spy requires its main component to successfully perform its intended routine.
However, as of this writing, the said sites are inaccessible.
SOLUTION
Step 1
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.
Step 2
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
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\VB and VBA Program Settings
- ck_m = {generated guid}
- ck_m = {generated guid}
- In HKEY_CURRENT_USER\Software\VB and VBA Program Settings
- {generated guid} = {last recorded time}
- {generated guid} = {last recorded time}
Step 4
Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.JS.TWINFLOWER.A. 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 the following Trend Micro Support pages for more information:
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