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psiphon100handlerui.exe

Kasoticof

Quality Install (Alpha Criteria Ltd.)

The application psiphon100handlerui.exe, “Kasoticof Setup ” by Quality Install (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 file has been seen being downloaded from www.byteappsgrab.com.
Publisher:
Quality Install (Alpha Criteria Ltd.)  (signed and verified)

Product:
Kasoticof

Description:
Kasoticof Setup

MD5:
0402fa833342ba9aaf0d00233f54675b

SHA-1:
5df6c27c7fdb47ee9b3c82423ba7bfc42466985f

SHA-256:
b80bb81663cfc50be2b1cf1e4f4c36ccfb2c1e49a9f91ded66699c688f649896

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/27/2024 6:37:06 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC (M)
16.7.22.14

File size:
948.3 KB (971,072 bytes)

Product version:
2.4.6

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\psiphon100handlerui.exe

Digital Signature
Signed by:
Quality Install (Alpha Criteria Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
1/6/2016 11:14:15 PM

Valid to:
8/5/2016 12:59:05 AM

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

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

Serial number:
1121BA484E4C31175E4A844ED055428DEC42

File PE Metadata
Compilation timestamp:
6/20/1992 8:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:sjixIddZKBc5/+rL7giK/om1Pnfmc/+OosIt:smydZK+FsgzVJf/osq

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...
 
[+]

Entropy:
7.9338

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

Code size:
39.5 KB (40,448 bytes)

The file psiphon100handlerui.exe has been seen being distributed by the following URL.

http://www.byteappsgrab.com/c?x=bZCEiUDenkRSIpN5Bza/bkRgOw1EXxgHQU744h2eXvE=&c=QrLgnEegxMa5cDFFqR/MoIKjUYAMR08mmh1o1FDsFUh4/iPPI9Oo/QdR6bnvi/qhQC6RzzepwQ1Ri2N5rQy i0lflOz7nowHZRDXwtMzVtUjSsnrRsZfwgHZzJwByhZb&downloadAs=Psiphon100HandlerUI.exe&fallback_url=http://.../get.php?file=f376ef1a&m3

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