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jrdlub6r.exe

Google Chrome

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application jrdlub6r.exe by Download Assistant has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the AirInstaller Download Manager installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from download.free-browsers.info.
Publisher:
Download Assistant  (signed and verified)

Product:
Google Chrome

Version:
3.0.0.134

MD5:
9d57287d840e13c9391ba3f688a4cae3

SHA-1:
fc50f53bbc46fcdd982dedb765ce4ec46800df87

SHA-256:
90077a187ef06bf645a1fafe85c81a04693e10a60be1b1501787ee6b7b0574fb

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/28/2024 12:22:52 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.DownloadAssistant.Bundler (M)
16.1.30.15

File size:
1.1 MB (1,136,464 bytes)

Product version:
3.0.0.134

Copyright:
(c) Download Assistant

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\jrdlub6r.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
12/2/2015 7:00:00 AM

Valid to:
3/3/2017 6:59:59 AM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
04A6D3440F1D06EE9CA4CE2B30C76606

File PE Metadata
Compilation timestamp:
1/30/2013 9:21:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:axG3vXGCBgwssTL32v71TPkq8uuSTlINkgePHTkgNQmK:ffXBBgUL30Zt80BPHYgimK

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Entropy:
6.9645

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

The file jrdlub6r.exe has been seen being distributed by the following URL.

http://download.free-browsers.info/v2/click/excvl0fz/?affiliate_image=&cancel_url=http://free-browser.co/download_complete/?error=1&d=http://au.free-browser.co/downloads/.../chrome_setup_en.exe&done_url=http://free-browser.co/download_complete/&filename=chrome_install&key=9023d1592789087355cbc4c8ec0bda876c5cd71a698097552165c68a22a26505&n=Google Chrome&product_image=http://au.free-browser.co/graphics/.../chrome_product_image.png&sid=CHROME_2015&uid=2ANALYTICS5693c27bd1664&uao=TW96aWxsYS81LjAgKFdpbmRvd3MgTlQgNi4zKSBBcHBsZVdlYktpdC81MzcuMzYgKEtIVE1MLCBsaWtlIEdlY2tvKSBDaHJvbWUvNDcuMC4yNTI2LjEwNiBTYWZhcmkvNTM3LjM2&scid=6ece396c-b873-11e5-8a2f-0401694cef01

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