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04rtfrlwr.exe

Yuanyuan Zhang

The application 04rtfrlwr.exe by Yuanyuan Zhang has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Yuanyuan Zhang  (signed and verified)

MD5:
591eb06bf3e3f36f56eec49530ffc6a3

SHA-1:
257dd8ba6416d681769c773cf47810b73fc91e29

SHA-256:
fcbdff59e26226d08c4ce94f967454f9743829f36fcb086c49292e89249327d7

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/2/2026 1:48:55 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Mutahba (M)
17.1.3.13

File size:
414.7 KB (424,608 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\04rtfrlwr.exe

Digital Signature
Signed by:
Yuanyuan Zhang

Authority:
thawte, Inc.

Valid from:
12/26/2016 5:30:00 AM

Valid to:
4/21/2017 5:29:59 AM

Subject:
CN=Yuanyuan Zhang, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
1F906F45C133FECE2FF0DB98FBD21764

File PE Metadata
Compilation timestamp:
12/26/2016 7:33:08 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x15D6

Entry point:
E8, 33, 13, 00, 00, E9, E2, AA, 00, 00, 55, 8B, EC, 56, 8B, 75, 08, 83, FE, E0, 77, 6F, 53, 57, A1, 1C, 6E, 46, 00, 85, C0, 75, 1D, E8, C2, 65, 00, 00, 6A, 1E, E8, 48, 2B, 00, 00, 68, FF, 00, 00, 00, E8, 88, 00, 00, 00, A1, 1C, 6E, 46, 00, 59, 59, 85, F6, 74, 04, 8B, CE, EB, 03, 33, C9, 41, 51, 6A, 00, 50, FF, 15, 44, E0, 45, 00, 8B, F8, 85, FF, 75, 26, 6A, 0C, 5B, 39, 05, 18, 6E, 46, 00, 74, 0D, 56, E8, 5C, 32, 00, 00, 59, 85, C0, 75, A9, EB, 07, E8, 9A, 4B, 00, 00, 89, 18, E8, 93, 4B, 00, 00, 89, 18, 8B...
 
[+]

Entropy:
7.8164  (probably packed)

Code size:
370.5 KB (379,392 bytes)

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