i doser bloodthistle.exe

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 application i doser bloodthistle.exe, “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. The file has been seen being downloaded from applicationgrabb.net. 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:
d608821cf5cc0256eb41eabfce9244f9

SHA-1:
4c4adf601e4d02ae9b554b94939e046373560eed

SHA-256:
630b723d3ad0d494a62dfa35cc241bc863cd8de94d12767f8110019c7513420c

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:
9/22/2018 8:14:49 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware (M)
16.8.6.5

File size:
314.2 KB (321,736 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 ClearAsky Installer

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\users\{user}\downloads\i doser bloodthistle.exe

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

CTPH (ssdeep):
6144:Dr5bUzkuvcBYC47l2xGnV6OjJaV490B6lKPk3JDEbk0teSVtv:DrqkuveY3RnV6c800oIpbv0SVtv

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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file i doser bloodthistle.exe has been seen being distributed by the following URL.

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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