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sysnet.exe

OOO

The application sysnet.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 sysnet triggered by a time event. While running, it connects to the Internet address dns.set.error on port 80 using the HTTP protocol.
Publisher:
OOO   (signed and verified)

MD5:
14267c29ad70bb80a772affe5ee1c45b

SHA-1:
db82b65881ae7cc919388158dacd6b7f9179dc3d

SHA-256:
3de87435bd99a196f6b799c442ccb1e4e4ae1a4c482b0f02cf90902cf8258e83

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 1:40:30 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.2.25.4

File size:
789 KB (807,936 bytes)

File type:
Executable application (Win32 EXE)

Language:
Russian (Russia)

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

Digital Signature
Signed by:
OOO

Authority:
COMODO CA Limited

Valid from:
1/25/2017 7:00:00 AM

Valid to:
7/8/2017 6:59:59 AM

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

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00FD1BF044DB1DBEFCC734DB43DD0B694B

File PE Metadata
Compilation timestamp:
2/18/2017 4:52:55 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x1511

Entry point:
55, 8B, EC, 6A, FF, 68, 28, C1, 40, 00, 68, 6C, 2D, 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, 88, C0, 40, 00, 33, D2, 8A, D4, 89, 15, 1C, F6, 4B, 00, 8B, C8, 81, E1, FF, 00, 00, 00, 89, 0D, 18, F6, 4B, 00, C1, E1, 08, 03, CA, 89, 0D, 14, F6, 4B, 00, C1, E8, 10, A3, 10, F6, 4B, 00, 33, F6, 56, E8, C8, 16, 00, 00, 59, 85, C0, 75, 08, 6A, 1C, E8, B0, 00, 00, 00, 59, 89, 75, FC, E8, 08, 15, 00, 00, FF, 15, 84, C0, 40, 00, A3, 24, 0B, 4C, 00, E8...
 
[+]

Entropy:
6.6749

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

Code size:
44 KB (45,056 bytes)

5 Scheduled Tasks
Task name:
sysnet

Trigger:
Time

Task name:
ScriptWriter

Trigger:
Time

Task name:
syslog

Trigger:
Time

Task name:
PowerMonitor

Trigger:
Time

Task name:
svshost

Trigger:
Time


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

TCP (HTTP):
Connects to dns.set.error  (185.14.29.162:80)

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