saveon.exe.pcpquar

Alexey Kurilenko

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. The file saveon.exe.pcpquar, “Installer for ClearAsky Installer” by Alexey Kurilenko 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 WebPick InstalleRex (Tarma) installer. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
ClearAsky Installer  (signed by Alexey Kurilenko)

Product:
ClearAsky Installer

Description:
Installer for ClearAsky Installer

Version:
2014.7.12.1336

MD5:
b778e7a612ffccf45df88f028dff6dfa

SHA-1:
d9bb1bbbbf59cd2b9d8044483d9856fb6807463e

SHA-256:
d0f428732c9098b16f159affea0b6c130c7f72e75e1da0f763ddf9ac4cce28b5

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses Web-Pick's 'File Product', an Installer which wraps various products and downloads and installs it silently through the process, hosted on TusFiles.

Analysis date:
5/6/2024 6:33:05 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.3.16.8

File size:
314.1 KB (321,632 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 ClearAsky Installer

Original file name:
TSULoader.exe

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\roaming\serv\saveon.exe.pcpquar

Digital Signature
Authority:
Unizeto Technologies S.A.

Valid from:
6/17/2014 7:20:17 AM

Valid to:
6/17/2015 7:20:17 AM

Subject:
E=Alexey.kurilenko@hotmail.com, CN=Alexey Kurilenko, O=Alexey Kurilenko, C=RU

Issuer:
CN=Certum Code Signing CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
15D51642691B3EE20985639A8FE865DD

File PE Metadata
Compilation timestamp:
3/12/2013 3:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

Entry address:
0x14DB

Entry point:
55, 8B, EC, 81, EC, 2C, 06, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, DC, FB, FF, FF, 89, 5D, F4, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 70, 30, 40, 00, 8B, F8, 8D, 45, EC, 50, FF, 15, 6C, 30, 40, 00, FF, 15, 68, 30, 40, 00, 8B, F0, F7, D6, 33, F7, FF, 15, 64, 30, 40, 00, 33, F0, 8B, 45, F0, 33, 45, EC, 68, 04, 01, 00, 00, 33, F0, 8D, 85, D4, F9, FF, FF, 50, 53, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, A8, 32, 40, 00, E8, 43, FB, FF, FF...
 
[+]

Entropy:
7.9535

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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