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installer_firefox.exe

Tasefer

FunnelOpti (Alpha Criteria Ltd.)

The application installer_firefox.exe, “Tasefer Setup ” by FunnelOpti (Alpha Criteria) 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 installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The installer is marketed through download protals and search ads as the free Mozilla Firefox web browser but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
FunnelOpti (Alpha Criteria Ltd.)  (signed and verified)

Product:
Tasefer

Description:
Tasefer Setup

Version:
1.3.2.6

MD5:
cbfd6024dfa11f22de41fa956a9d2468

SHA-1:
576b9eac58ff59704b8b58112e727675843b006f

SHA-256:
7857dc0fd552bdf9fe7fac6cf52d9373e0db86365f953c2fe7fbcfaa0a586a9f

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
12/25/2024 4:16:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC (M)
17.3.15.13

File size:
940.3 KB (962,856 bytes)

Product version:
4.8.3

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\installer_firefox.exe

Digital Signature
Signed by:
FunnelOpti (Alpha Criteria Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
12/16/2015 1:41:21 PM

Valid to:
8/26/2016 5:34:53 PM

Subject:
CN=FunnelOpti (Alpha Criteria Ltd.), O=FunnelOpti (Alpha Criteria Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121C57D0836DF0829F54F07ADA2D08AAFCB

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

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

http://www.sendchucklebulk.com/wyYCaji87Q4fUYN2UlrcFYJH7jawAjACEFvkSnTSP1OB1vnFqlZ7ENIP8jU3YFzA4JJAFlGO_eOmOvlCKwGvK3kl5jmwzVXTH0uxNGueZVogmgUfxuCouttgzwqx6RtXkQh8iWhu8HwWURSBjh6xgS9YqDDRzHcqXNSXCv5vA_ Yhj20Vs304gmjbMOETMTph0jdbl2OVsJgrbBEaUVodMvuCBTqZ7cnJjt08f4I7p13JgThAWcP5wpbz6b5xb7aJ eb93i7YwYYGIYP2Hz3ToRKaoUhpV7TkidSQ4O8l4B_YtkcYrJuwsho1r02bUaiwy5e11ziXiohy7H1NiotJKAfKMhtnYXAfM8MO8q3HnjEneuIgAhTa ORGM5gk5 5LYn8JL7GVyXvnkhpvfxXLoYYn_he2PJHK_duLxHMB0xrhJxHD4qjUpMMBRIlArYXLtU13mEWm4bO5Cz1qmC06V19KYBzy8p5sElaxyZsH60VM UBimWsmuC5g XkHu0IcFROnCNFhH9MD8baLlQDbi0tHWIjkdp8xC1pdPiviXf9M4AJBcuwi6F0aBQ3qRyXjr677jXqONYfP4lrJIEYPnceO8_30rEVYTKe7AUniK5fI9tP0bV34MsePdoODm4npoCvbquGWa2_FufZ1ew_ 9ObYE4Ln57WSLpJTOTdFKE6g1_KUa717fA78nQNQSscXuxvTde_ppIVJfXwTXxg0mkuiydnrPu8v2vk0xqU9JMLEqQTlQecklTB2z30IcV7GZkHkyy9U8niUgvpA7Ssypp8YpsDA8GCx 9ZI3eLdrMzIVttsQLxlIZI3YmX2Zy5d6qfGQ1l7KFrNQ97isi__t2xjdVhIdcp1cPpQRsqIausVwCdvP1ovNSE5c1un2Y9YC Fk33xFd98VbctXCBSNbDb71vWmoz0Yf4lzD3ImCOZFkEiXTGl1SeHZ4dzPJNoi2Mi1NTV

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