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wse_vosteran.exe

The application wse_vosteran.exe has been detected as a potentially unwanted program by 9 anti-malware scanners. It runs as a scheduled task under the Windows Task Scheduler triggered daily at a specified time. This is the uninstaller utility registered in the Windows Control Panel for the program Search Provided by Yahoo.
MD5:
1776145388c0451b64055ba9d57687ba

SHA-1:
a0e5a4276d238ac0632eac2af02bd3c055b59f1d

SHA-256:
a0a77a0faf2e327876ee8ccf5ee8c43ae0413144672a1a2a373fa8f0c09732f2

Scanner detections:
9 / 68

Status:
Potentially unwanted

Analysis date:
1/13/2025 7:37:36 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/DealPly.jqmza
8.3.3.4

Fortinet FortiGate
Riskware/PUP
2/16/2017

G Data
Win32.Application.Agent.RYVBHB
17.2.25

Kaspersky
not-a-virus:AdWare.Win32.DealPly
14.0.0.-1177

McAfee
PUP-FPD
5600.6123

Qihoo 360 Security
HEUR/QVM05.1.0000.Malware.Gen
1.0.0.1120

Reason Heuristics
PUP.Downloader.ICDP (L)
17.2.16.10

Rising Antivirus
Malware.Heuristic!ET#85% (rdm+)
23.00.65.17212

Trend Micro House Call
TROJ_GEN.R047H06BF17
7.2.47

File size:
2.2 MB (2,344,960 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\wse_vosteran\wse_vosteran.exe

File PE Metadata
Compilation timestamp:
3/6/2016 11:46:55 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0x200400

Entry point:
55, 8B, EC, 83, C4, F0, B8, CC, 85, 5F, 00, E8, 88, DB, E0, FF, A1, 08, 5E, 60, 00, 8B, 00, E8, 1C, 24, FD, FF, 8B, 0D, 08, 5D, 60, 00, A1, 08, 5E, 60, 00, 8B, 00, 8B, 15, 08, B4, 5D, 00, E8, 1C, 24, FD, FF, A1, 08, 5E, 60, 00, 8B, 00, E8, 6C, 25, FD, FF, E8, D3, 8B, E0, FF, 8D, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
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Developed / compiled with:
Microsoft Visual C++

Code size:
2 MB (2,094,080 bytes)

Program Uninstaller
Program name:
Search Provided by Yahoo

Uninstall string:
"C:\users\{user}\appdata\local\{ccf4faa8-e85c-9610-85c4-b3f8a1ac4f60}\uninstall.exe" \uninstall \s \noun \delselfdir


Scheduled Task
Task name:
{2241DB89-AF13-4E37-A3DD-3BDB5B9E3536}

Trigger:
Daily (Runs daily at 21:09)


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

TCP (HTTP):
Connects to ec2-23-21-246-202.compute-1.amazonaws.com  (23.21.246.202:80)

TCP (HTTP):
Connects to s3-1-w.amazonaws.com  (54.231.33.195:80)

TCP (HTTP SSL):
Connects to geoip-zlb.vips.scl3.mozilla.com  (63.245.215.82:443)

TCP (HTTP):
Connects to ec2-54-225-212-5.compute-1.amazonaws.com  (54.225.212.5:80)

TCP (HTTP):
Connects to ec2-107-20-201-65.compute-1.amazonaws.com  (107.20.201.65:80)

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