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svshost_upgrade.exe

OOO

The application svshost_upgrade.exe by OOO has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a scheduled task under the Windows Task Scheduler named svshost triggered daily at a specified time. While running, it connects to the Internet address static.174.43.9.5.clients.your-server.de on port 80 using the HTTP protocol.
Publisher:
OOO   (signed and verified)

MD5:
d3e74ed63dfd0c814adfa50dc2367e26

SHA-1:
9fd0516b3acc02f3e3bf3d408a9be0a329d8bafe

SHA-256:
5690e298676101195f05496b2e927bbca52b84ff4eacd33f865c28414db95536

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
7/13/2025 2:22:28 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Task
17.2.24.20

File size:
825 KB (844,800 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Documents and Settings\{user}\Application data\svshost\svshost_upgrade.exe

Digital Signature
Signed by:
OOO

Subject:
CN="OOO ""Port-Prom""", O="OOO ""Port-Prom""", STREET="d. 33 str. 1, ul.1-Ya Brestskaya", L=Moscow, S=Moscow, PostalCode=125047, C=RU

Serial number:
00FD1BF044DB1DBEFCC734DB43DD0B694B

File PE Metadata
Compilation timestamp:
2/17/2017 8:23:18 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x1762

Entry point:
55, 8B, EC, 6A, FF, 68, F0, BB, 41, 00, 68, C0, 3A, 40, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 58, 53, 56, 57, 89, 65, E8, FF, 15, CC, 30, 41, 00, 33, D2, 8A, D4, 89, 15, 94, 26, 4C, 00, 8B, C8, 81, E1, FF, 00, 00, 00, 89, 0D, 90, 26, 4C, 00, C1, E1, 08, 03, CA, 89, 0D, 8C, 26, 4C, 00, C1, E8, 10, A3, 88, 26, 4C, 00, 33, F6, 56, E8, CA, 21, 00, 00, 59, 85, C0, 75, 08, 6A, 1C, E8, B0, 00, 00, 00, 59, 89, 75, FC, E8, 0A, 20, 00, 00, FF, 15, C8, 30, 41, 00, A3, C4, 3B, 4C, 00, E8...
 
[+]

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
72 KB (73,728 bytes)

3 Scheduled Tasks
Task name:
svshost

Path:
D:\WINDOWS\Tasks\svshost.job

Trigger:
Daily (Runs daily at 23:35)

Task name:
syslog

Path:
C:\WINDOWS\Tasks\syslog.job

Trigger:
Daily (Runs daily at 11:35 PM)

Task name:
ScriptWriter

Trigger:
Time


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

TCP (HTTP):
Connects to static.174.43.9.5.clients.your-server.de  (5.9.43.174:80)

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