Hostile 92% chrome 66 installs Download

Refreshplus 1.1.47

CAPTCHA solver, cookie theft, evasion

“This extension is to show and notify updates from the page information.”

Extension sends CAPTCHA tasks to remote solver APIActiveXObject constructor reference

Evidence

Builds characters with String.fromCharCode content_scripts2.js · lines 10–21
⋯5 lines
15
16 function fixedFromCharCode(e) {
17 return 65535 < e ? (e -= 65536, String.fromCharCode(55296 + (e >> 10), 56320 + (e & 1023))) : String.fromCharCode(e)
18 }
19
20 function code(e, t, n) {
21 for (var r = "", a = 0; a < e.length; a++) var i = fixedCharCodeAt(e, a) + fixedCharCodeAt(t, a % t.l …
Creates external CAPTCHA solver task content_scripts2.js · lines 8624–8627
8624:20… etSoftId(802);
8625 var S = !n[u].is_enterprise ? x.createTaskProxyless : x.createRecaptchaV2EnterpriseTaskProxyless;
8626 if (e.solve_proxy_on_tasks) {
8627 x.setProxyType(e.user_proxy_proto …
CAPTCHA solver service endpoint content_scripts2.js · line 10364
10364:5859… <a href="https://anti-captcha.com/apidoc/task-types/ImageToTextTask" title="More info about image options read here" …
Chrome extension manifest file manifest.json · lines 1–13
1{
2"update_url": "https://clients2.google.com/service/update2/crx",
3
4 "name": "Refreshplus",
5 "version": "1.1.47",
6 "description": "Refreshes page and notifies of update with changes in certain sites",
7 "manifest_version": 3,
8 "default_locale": "en",
9 "icons": {
⋯4 lines
Content script targets all web origins manifest.json · lines 16–46
16:38… ml"
17 },
18 "options_page": "recaptcha_options.html",
19 "permissions": [
20 "activeTab",
21 "tabs",
⋯4 lines
26 "identity.email",
27 "alarms",
28 "cookies",
29 "notifications"
30 ],
31 "background": {
32 "service_worker": "js/service_worker.js"
33 },
34 "action": {
35 "default_icon": "img/icon-48x48.png",
36 "default_popup": "index.html"
37 },
38 "content_scripts": [
39 {
40 "matches": ["https://www.stubhub.com/*"],
41 "run_at": "document_start",
42 "js": ["assets/code_stubhub.js"]
43 },
44 {
45 "matches": [
46 "h …

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