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syslog.exe

OOO

The application syslog.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 syslog triggered by a time event. While running, it connects to the Internet address sharing.katcryo.com on port 80 using the HTTP protocol.
Publisher:
OOO   (signed and verified)

MD5:
f2a3b3f57b0ff359b0104b59f1aba7a1

SHA-1:
c49315779f4a4e3b57dcca38462ec18ec25530a1

SHA-256:
4040d08813a87e7779b48cb126f75f82a47110bb8f0487f7376abb77ffdf5885

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:
3/31/2026 10:58:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Task
17.2.25.1

File size:
781 KB (799,744 bytes)

File type:
Executable application (Win32 EXE)

Language:
Russisk (Rusland)

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

Digital Signature
Signed by:
OOO

Authority:
COMODO CA Limited

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

Valid to:
7/8/2017 1:59:59 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 10:52:32 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x1501

Entry point:
55, 8B, EC, 6A, FF, 68, 28, B1, 40, 00, 68, 5C, 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, 84, B0, 40, 00, 33, D2, 8A, D4, 89, 15, EC, D9, 4B, 00, 8B, C8, 81, E1, FF, 00, 00, 00, 89, 0D, E8, D9, 4B, 00, C1, E1, 08, 03, CA, 89, 0D, E4, D9, 4B, 00, C1, E8, 10, A3, E0, D9, 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, 80, B0, 40, 00, A3, 04, EF, 4B, 00, E8...
 
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Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
40 KB (40,960 bytes)

Scheduled Task
Task name:
syslog

Trigger:
Time


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

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

TCP (HTTP):
Connects to sharing.katcryo.com  (185.20.186.51:80)

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