Adware.JS.Revizer.AK
JS:Adware.Lnkr.A (Bitdefender); Adware:JS/InjectorAd.A (Microsoft); JS/Adware.Revizer.B application] (NOD32)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Adware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This Adware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It monitors user transactions on certain sites.
It connects to certain websites to send and receive information.
TECHNICAL DETAILS
215,788 bytes
JS
No
02 Jun 2020
Connects to URLs/IPs
Arrival Details
This Adware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Adware Routine
This Adware connects to the following URL(s) to display ads on the affected system:
- https://{BLOCKED}rinamenya.ru/566bbee0f961ad71b54c3c2fd36db053
Information Theft
This Adware monitors user transactions done on the following websites:
- amazon.com
- amazon.com.mx
- amazon.cn
- amazon.co.jp
- youradexchange.com
- websites containing boobking. , booing. , buking. , boocking. , boooking. , bookking. and booing.
- bitconnect.co/register
Other Details
This Adware connects to the following website to send and receive information:
- During launch:
- if http:
- http://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid=&tid=5851&rid=LAUNCHED&t={time in milliseconds}
- if https:
- https://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid=&tid=5851&rid=LAUNCHED&t={time in milliseconds}
- After the script is loaded:
- http://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=LOADED&custom1={current hostname}&t={time in milliseconds}
- https://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=LOADED&custom1={current hostname}&t={time in milliseconds}
- Before sending request:
- http://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=BEFORE_OPTOUT_REQ&t={time in milliseconds}
- https://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=BEFORE_OPTOUT_REQ&t={time in milliseconds}
- Request sending:
- http://{BLOCKED}tcs.space/optout/get?jsonp=__twb_cb_{random number from 0 to 1000000000}&key=16dbc8c14acdb8703b&t={time in milliseconds}
- If response is fail:
- http://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=OPTOUT_RESPONSE_FAIL&t={time in milliseconds}
- https://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=OPTOUT_RESPONSE_FAIL&t={time in milliseconds}
- If response is success:
- http://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=OPTOUT_RESPONSE_OK&t={time in milliseconds}
- https://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=OPTOUT_RESPONSE_OK&t={time in milliseconds}
- After script execution:
- http://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=FINISHED&custom1={current hostname}&t={time in milliseconds}
- https://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=FINISHED&custom1={current hostname}&t={time in milliseconds}
It does the following:
- Avoids execution in the following domains that contains the following strings:
- musvk
- vkonline.xyz
- vkunblock.com
- dostup-{any combination of letters}.com
- freevideodownloader
- thisadsfor.us
- olam-hamedia.tech
- ok.ru
- www.google
- Avoids the following domains:
- paypal.com
- secure.
- doubleclick.net
- addthis.com
- twitter.com
- docs.google.com
- drive.google.com
- http://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=URL_IGNOREDOMAIN&t={time in milliseconds}
- https://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=URL_IGNOREDOMAIN&t={time in milliseconds}
- Monitors the following elements of a website:
- If "link" is "chrome-webstore-item":
- Send information to
- http://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=PROMO_ANLZ&custom1={current hostname}&custom2={current URL}&custom3={chrome webstore item link URL}&t={time in milliseconds}
- https://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=PROMO_ANLZ&custom1={current hostname}&custom2={current URL}&custom3={chrome webstore item link URL}&t={time in milliseconds}
- If element "div.g" contains the following strings:
- chrome.google.com/webstore
- Speed Dial
- New tab
- start tab
- start page
- new page
- home page
- default page
- fast dial
- fast access
- quick access
- and if "a:not(.cws)" is found:
- send information to
- http://{BLOCKED}tcs.space/metric/?mid=1f608&wid=51824&sid={1 or blank}&tid=5851&rid=BANNER_LOAD&t={time in milliseconds}
- https://{BLOCKED}tcs.space/metric/?mid=1f608&wid=51824&sid={1 or blank}&tid=5851&rid=BANNER_LOAD&t={time in milliseconds}
- and Cookie "__mzglrl" is created
- Checks if current hostname contains search engine strings:
- google.
- search.yahoo.
- bing.com
- ask.com
- shopping.yahoo
- search.aol.
- wow.com
- when.com
- search.mywebsearch.com
- search.myway.com
- duckduckgo.com
- mysearch.com
- teoma.com
- searchlock.com
- myprivatesearch.com
- searchprivacy.co
- thesmartsearch.net
- infospace
- safefinder.com
- mysearchguardian.com
- Checks if current URL ends with the following strings:
- jpg
- png
- jpeg
- gif
- bmp
- doc
- xls
- js
- xml
- doc
- docs
- txt
- css
- http://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=URL_STATICFILE&t={time in milliseconds}
- https://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=URL_STATICFILE&t={time in milliseconds}
- If the amazon websites are accessed:
- if "/s/" and "/gp/search/" are found in the URL:
- get "data-asin" of items
- get search filters
- send information regarding the search query to:
- http://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=AMZN_SEARCH&custom1={current hostname}&custom2={search keywords}&custom3={data-asin of items}&custom4={result count}&custom5={dropdownbox text}&t={time in milliseconds}
- https://{BLOCKED}tcs.space/metric/?mid=&wid=51824&sid={1 or blank}&tid=5851&rid=AMZN_SEARCH&custom1={current hostname}&custom2={search keywords}&custom3={data-asin of items}&custom4={result count}&custom5={dropdownbox text}&t={time in milliseconds}
- If youradexchange.com is accessed and if "a/display." string is found in the URL:
- Redirects to http://www.{BLOCKED}exchange.com/a/display.php?r=391769&sub1=pr{parameters}
- If websites with strings "boobking. , booing. , buking. , boocking. , boooking. , bookking. or booing." are accessed:
- Redirects to http://{BLOCKED}s.me/get?key=6ae9f4bd1dc812dc713d61cba871d8e8&out=http%3A%2F%2Fbooking.com&ref=http%3A%2F%2Fgo.com&format=go&uid=rdr51824
- If bitconnect.co/register is accessed:
- Sends information to the following website(s):
- http://{BLOCKED}tcs.space/metric/?mid=62001&wid=51824&sid={1 or blank}&tid=5851&rid=BANNER_LOAD&custom1={sponsor from site}&custom2={random number from 100000 to 9999999}&t={time in milliseconds}
- https://{BLOCKED}tcs.space/metric/?mid=62001&wid=51824&sid={1 or blank}&tid=5851&rid=BANNER_LOAD&custom1={sponsor from site}&custom2={random number from 100000 to 9999999}&t={time in milliseconds}
- If youradexchange.com is accessed and if "a/display." string is found in the URL:
- Redirects to http://www.{BLOCKED}exchange.com/a/display.php?r=391769&sub1=pr{parameters}
SOLUTION
9.850
2.298.00
04 Jun 2020
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
Scan your computer with your Trend Micro product to delete files detected as Adware.JS.Revizer.AK. 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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